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Psychology Blog
Showing articles with label Sensation and Perception.
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Macmillan Employee
01-14-2025
10:11 AM
As each new year dawns, hundreds of people gear up to unlock new habits. Whether it is improved fitness or relationships, these resolutions all have one thing in common - the end goal is increased happiness - and 2025 has proven to be no exception. But is there more to happiness than a new gym routine or updated social calendar? Renowned psychologist and Macmillan author, June Gruber, breaks it down for us with these helpful tips in a light, brief interview. https://www.kunc.org/in-the-noco/2025-01-09/find-your-happiness-in-2025-with-these-tips-from-a-professor-of-psychology-and-neuroscience
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Sensation and Perception
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1,102

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08-03-2024
08:12 AM
I’m a fan of infusing research methods throughout the Intro Psych course. We introduce psychology’s most common research methods early in the course, but we should revisit them every now and again in the context of psychology’s content to help make them stick. Think spacing effect. First, a note on getting journal articles. For college and university faculty, accessing journal articles through their library’s databases is usually a pretty easy process. If your library doesn’t have it, you can request it through interlibrary loan (ILL). For high school teachers, getting research articles can be challenging. Some journals will make some articles freely available. Some authors make their articles freely available to download via ResearchGate. You will need a ResearchGate account, but it is free to join. Other authors—or the same authors, but different journal articles—will give you the option to contact them via ResearchGate for a copy of their article. If the author isn’t on ResearchGate, email them directly to ask for a copy of their article. Provide a full citation. Researchers may publish several articles on the same topic in the same year. Wherever you find an abstract, you can often find the email address of the lead author. If you can’t find the email address, you can usually find their affiliation. An Internet search of their name and affiliation will usually yield a page at their institution that includes an email address. Do not ever feel shy about contacting researchers to request a pdf of an article or to ask questions about their research. The vast majority of researchers, frankly, are thrilled to learn that someone is interested in their research. I’m not kidding. Interlibrary loan (ILL) may be another option for you. Ask your public library librarians if they do ILL for journal articles. Also, don’t be afraid to ask your friends who are college or university faculty. Just be sure to rotate your requests through your network. You don’t want to wear out your welcome with one person with a single request for a dozen articles! Finally, be aware that some of the classic case studies discussed in Intro Psych textbooks are not good examples, such as Phineas Gage. “Recent historical work, however, suggests that much of the canonical Gage story is hogwash, a mélange of scientific prejudice, artistic license, and outright fabrication,” writes one of my favorite science writers, Sam Kean (Kean, 2014). (If you have not yet read Kean’s book The Tale of the Dueling Neurosurgeons, I highly recommend it. Kean dives into each major area of the brain, discussing both its history and current research.) Below are some case study examples, organized by pillar (Gurung et al., 2016). As with all research articles, you don’t have to understand every word to get the point. That’s probably a message worth communicating to our students. Researchers write journal articles for other researchers who are doing research in their same area. They are not writing for a general audience. Even researchers who work in other areas of the field may not grasp every word. And that’s okay! If you can get enough of the big picture to share the research with students—even if it’s in broad strokes—you are good to go. Here's an example of where I needed help with the big picture. I wrote a blog post recently on how the mapping of the motor cortex that we’ve taught for decades is wrong (Frantz, 2024). It was based on fMRI findings researchers published in the journal Nature (Gordon et al., 2023); the article is freely available. The lead author, Evan M. Gordon, is a radiologist at the Washington University School of Medicine. I am absolutely certain radiologists would understand just about every word in that article. I, however, am not a radiologist. I’m not even a biopsychologist; my background is in social psychology. With a rudimentary understanding of biology, however, I could grasp most of the article, but there were places where I struggled enough that I could not quite see the big picture. So, I did the only reasonable thing. I emailed Gordon. He replied very quickly—and graciously. It took an exchange of just a few emails for me to get it. The result was that blog post. Biological Stevens, J. A., Cole, W. G., & Vishton, P. M. (2012). Using touch or imagined touch to compensate for loss of proprioception: A case study. Neurocase, 18(1), 66–74. https://doi.org/10.1080/13554794.2011.556124. [Download full text via ResearchGate.] Feinstein, J. S., Adolphs, R., Damasio, A., & Tranel, D. (2011). The human amygdala and the induction and experience of fear. Current Biology, 21(1), 34–38. https://doi.org/10.1016/j.cub.2010.11.042. [Full text available.] Tuckute, G., Paunov, A., Kean, H., Small, H., Mineroff, Z., Blank, I., & Fedorenko, E. (2022). Frontal language areas do not emerge in the absence of temporal language areas: A case study of an individual born without a left temporal lobe. Neuropsychologia, 169, 108184. https://doi.org/10.1016/j.neuropsychologia.2022.108184. [Download full text via ResearchGate.] Cognitive Linden, M. V. (1996). Semantic memory and amnesia: A case study. Cognitive Neuropsychology, 13(3), 391–414. https://doi.org/10.1080/026432996381953. [Download full text via ResearchGate.] Gould, C., Froese, T., Barrett, A. B., Ward, J., & Seth, A. K. (2014). An extended case study on the phenomenology of sequence-space synesthesia. Frontiers in Human Neuroscience, 8. https://doi.org/10.3389/fnhum.2014.00433 [Download full text.] Developmental Kocabaş-Gedik, P., & Ortaçtepe Hart, D. (2021). “It’s not like that at all”: A poststructuralist case study on language teacher identity and emotional labor. Journal of Language, Identity & Education, 20(2), 103–117. https://doi.org/10.1080/15348458.2020.1726756 [Request full text from the authors via ResearchGate.] Nelis, P., Pedaste, M., & Šuman, C. (2023). Applicability of the model of inclusive education in early childhood education: A case study. Frontiers in Psychology, 14, 1120735. https://doi.org/10.3389/fpsyg.2023.1120735 [Download full text.] Social & Personality Herrick, S. S. C., Rocchi, M. A., & Couture, A. L. (2020). A case study exploring the experiences of a transgender athlete in synchronized skating, a subdiscipline of figure skating. Journal of Sport and Social Issues, 44(5), 421–449. https://doi.org/10.1177/0193723520919816. [Request full text from the authors via ResearchGate.] Ferguson, D., & Martin-Dunlop, C. (2021). Uncovering stories of resilience among successful African American women in STEM. Cultural Studies of Science Education. https://doi.org/10.1007/s11422-020-10006-8. [Request full text from the authors via ResearchGate.] Leporelli, E., & Santi, G. (2019). From psychology of sustainability to sustainability of urban spaces: Promoting a primary prevention approach for well-being in the healthy city designing. A waterfront case study in Livorno. Sustainability, 11(3), 760. https://doi.org/10.3390/su11030760. [Download full text via ResearchGate.] Hu, X., Sidhu, G. K., & Lu, X. (2022). Exploring positive psychology factors in the quality of English as a foreign language classroom life: A case study. Environment-Behaviour Proceedings Journal, 7(22), 17–22. https://doi.org/10.21834/ebpj.v7i22.4153. [Download full text via ResearchGate.] Mental & Physical Health Black, Z. A., & McCarthy, P. (2020). A case study of a trainee sport psychologist adopting a person-centred approach with a professional basketball player. Sport & Exercise Psychology Review, 16(2), 74–83. https://doi.org/10.53841/bpssepr.2020.16.2.74. [Author’s accepted manuscript.] Borg, M. B. (2002). The Avalon Gardens Men’s Association: A Community health psychology case study. Journal of Health Psychology, 7(3), 345–357. https://doi.org/10.1177/1359105302007003226. [Request full text from the author via ResearchGate.] Blackwell, S. E., & Holmes, E. A. (2017). Brightening the day with flashes of positive mental imagery: A case study of an individual with depression. Journal of Clinical Psychology, 73(5), 579–589. https://doi.org/10.1002/jclp.22455. [Download full text.] References Frantz, S. (2024, July 20). The classic motor cortex map is wrong. Macmillan and BFW Teaching Community. https://community.macmillanlearning.com/t5/psychology-blog/the-classic-motor-cortex-map-is-wrong/ba-p/21746 Gordon, E. M., Chauvin, R. J., Van, A. N., Rajesh, A., Nielsen, A., Newbold, D. J., Lynch, C. J., Seider, N. A., Krimmel, S. R., Scheidter, K. M., Monk, J., Miller, R. L., Metoki, A., Montez, D. F., Zheng, A., Elbau, I., Madison, T., Nishino, T., Myers, M. J., … Dosenbach, N. U. F. (2023). A somato-cognitive action network alternates with effector regions in motor cortex. Nature, 617(7960), 351–359. https://doi.org/10.1038/s41586-023-05964-2 Gurung, R. A. R., Hackathorn, J., Enns, C., Frantz, S., Cacioppo, J. T., Loop, T., & Freeman, J. E. (2016). Strengthening Introductory Psychology: A new model for teaching the introductory course. American Psychologist, 71(2), 112–124. https://doi.org/10.1037/a0040012 Kean, S. (2014, May 7). Phineas Gage, neuroscience’s most famous patient. Slate. https://slate.com/technology/2014/05/phineas-gage-neuroscience-case-true-story-of-famous-frontal-lobe-patient-is-better-than-textbook-accounts.html
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06-09-2024
09:22 AM
When we cover sensation and perception in Intro Psych, we commonly discuss each sense in turn with most emphasis put on vision and hearing. Some of us even discuss synesthesia, a sort of mixing of the senses where a person might, for example, see different colors upon hearing different sounds. It is pretty common for us to use one of our senses to supplement or replace another sense. For example, we may turn on captions while streaming a movie or television program, using vision to supplement sound. For the blind and vision impaired, audio descriptions of movie, television, and game scenes (“descriptive video service”) can be enabled. (See Descriptive Video Works for more information.) Here's another example of how one sense can be used to give information about another sense. Francesca Rosella and Ryan Genz created the sound shirt (or soundshirt, or SoundShirt, or Soundshirt—I’ve seen it rendered all of these ways). The sound shirt was originally designed to be worn by people who are deaf and hearing impaired while attending the symphony (CuteCircuit, 2018). The shirt is embedded with 28-30 actuators that are programmed to respond with a vibration to sounds coming from microphones placed around the concert space. At the symphony, for example, “violins can be felt on the arms and the drums on the back” (Marchese, 2019). The newest iteration of the sound shirt was created to be worn by fans who are deaf or hard of hearing attending Newcastle United soccer matches (Gornall, 2024). Just as in concert venues, microphones were placed around the stadium to capture the noise of the crowd. Actuators in the Newcastle United replica jersey sound shirt vibrate depending on the nature or the cause of the noise. For example, the singing crowd causes the shirt sleeves to vibrate, and a goal by the opposing team causes vibrations on the back (Eveleigh, 2024). Francesca Rosella “has degrees [in] interior architecture and Master’s degrees in Sustainable Design, and in Interaction Design” (“Francesca Rosella,” 2020). Ryan Genz has degrees in studio art and anthropology as well as a Master’s degree in Interaction Design (“Ryan Genz,” 2020). While the institution where Rosella and Genz earned their degrees (Interaction Design Institute Ivrea, Italy) was short-lived (2001-2006) (“Interaction Design Institute Ivrea,” 2024), the field of interaction design is very much alive. In fact, interaction design is part of the broader field of human-computer interaction (Löwgren, 2024) which is part of the even broader field of human factors and engineering psychology. The American Psychological Association has a brief introduction to this field. After sharing this information with students, invite students to work in small groups to answer the following questions: In what other contexts might a sound shirt be useful for people who are deaf or hearing impaired? Explain. Are there contexts where those with perfectly fine hearing might benefit from a sound shirt? Explain. Instead of using the sense of touch, might there be a way to turn sound into light waves? Explain how the crowd noise at a soccer match could be displayed via, say, virtual reality (VR) goggles. For people who are blind or vision impaired, how might a “sight shirt” work at a soccer match to help communicate the action on the pitch? References CuteCircuit. (2018, May 11). Biography. CuteCircuit. https://cutecircuit.com/biography/ Eveleigh, R. (2024, June 5). Newcastle United introduces ‘sound shirts’ for deaf supporters. Positive News. https://www.positive.news/lifestyle/sport/newcastle-united-introduces-sound-shirts-for-deaf-supporters/ Francesca Rosella. (2020, August 25). Explore Mars. https://www.exploremars.org/speaker/francesca-rosella/ Gornall, K. (2024, April 11). Newcastle United introduce “sound shirts” for deaf fans. BBC Sport. https://www.bbc.com/sport/football/68780625 Interaction Design Institute Ivrea. (2024). In Wikipedia. https://en.wikipedia.org/w/index.php?title=Interaction_Design_Institute_Ivrea&oldid=1206070266 Löwgren, J. (2024). Interaction Design—Brief intro. https://www.interaction-design.org/literature/book/the-encyclopedia-of-human-computer-interaction-2nd-ed/interaction-design-brief-intro Marchese, K. (2019, October 4). The sound shirt lets deaf people feel music on their skin. Designboom. https://www.designboom.com/technology/cute-circuit-deaf-people-feel-music-skin-soundshirt-haptic-sensors-10-04-2019/ Ryan Genz. (2020, August 25). Explore Mars. https://www.exploremars.org/speaker/ryan-genz/
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1,512

Expert
05-14-2024
08:36 AM
“In the U.S., 42% of people are now myopic [nearsighted] – up from 25% back in the 1970s. In some East Asian countries, as many as 90% of people are myopic by the time they're young adults” (Godoy, 2024). That’s a lot of people who need corrective lenses. But the news is worse than that. “Once a kid gets myopia, their eyeball will keep stretching and the condition will get progressively worse. If they develop high myopia, it can increase the risk of serious eye problems down the road, such as retinal detachments, glaucoma and cataracts. It can even lead to blindness” (Godoy, 2024). That, I did not know. I also did not know “that light stimulates the eye to release the neurotransmitter dopamine, which can slow the eyeball from stretching” (Godoy, 2024). Researchers thought this would make for a good correlational study. In a study of 4,000 children, researchers found that the more time the children spent outside, the lower levels of myopia they had, even after “adjusting for near work, parental myopia, and ethnicity” (Rose et al., 2008). Here's an opportunity to give your students some experimental design practice in the sensation and perception chapter. After sharing the above information with students, give small groups this hypothesis: If children spend at least two hours a day outdoors, they will develop less myopia (nearsightedness). Ask students to address the following: Design an experiment that will test the hypothesis. Identify your independent variable, including the experimental group and the control group. Identify your dependent variable. All variables should include operational definitions. Your experiment should include random assignment to conditions. Briefly explain the importance of random assignment. Review the five general principles from the Ethical Principles of Psychologists and Code of Conduct of the American Psychological Association. By these standards, would it be ethical to conduct your study? Why or why not? Invite a spokesperson from each group to share their group’s research design and their assessment of the ethics of conducting that study. To conclude this activity, share this information with your students. A Taiwanese ophthalmologist, Pei-Chang Wu, whose son was entering first grade convinced his son’s school to allow the children to spend more time outside. At the same time, he convinced another school to allow him to test their school children for myopia. “A year later, his son's school had half as many new myopia cases as the other school” (Godoy, 2024). After these preliminary results, Wu did similar studies at other schools and found similar results. Pause here to ask your students to assess whether Wu’s research meets American Psychological Association’s ethical guidelines. Why or why not. Wu obviously has some pretty mean persuasive skills, but check out what he did next. With the data in hand, he convinced Taiwan’s Minister of Education to make a policy change that required schools to get children outside for two hours a day. “The program launched in September 2010. And after decades of trending upward, the rate of myopia among Taiwan's elementary school students began falling – from an all-time high of 50% in 2011 down to 45.1% by 2015” (Godoy, 2024). If time allows, ask students what schools and parents can do to help ensure children are getting two hours outside each day per the recommendation of ophthalmologists. Are your students ready to start a letter-writing campaign to their local school boards? References Godoy, M. (2024, May 13). Want to protect your kids’ eyes from myopia? Get them to play outside. NPR. https://www.npr.org/sections/health-shots/2024/05/13/1250555639/kids-eyesight-myopia-near-sighted-nearsightedness-outdoor-play Rose, K. A., Morgan, I. G., Ip, J., Kifley, A., Huynh, S., Smith, W., & Mitchell, P. (2008). Outdoor activity reduces the prevalence of myopia in children. Ophthalmology, 115(8), 1279–1285. https://doi.org/10.1016/j.ophtha.2007.12.019
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1,486

Expert
04-26-2023
12:05 PM
The Introduction to Psychology course is the hardest course to teach because we do not have expertise in the vast majority of the material. When you teach Intro Psych for the very first time, you get used to saying, “I don’t know.” As the years have rolled by, I’ve accepted that “I don’t know” is just part of my Intro Psych teaching lexicon. For me, however, it’s not the not knowing that’s problematic. It’s all of the information that I thought I knew, but, alas, did not. Finding out that I’ve gotten something wrong makes me wish I could contact all of my previous students and say, “Hey! Remember that thing I told you about? No, you don’t remember? Well, anyway, it turns out I was wrong. Here’s the right information. Or at least here’s the right information as we know it today.” Okay, maybe it’s best that I can’t contact my previous students. In some cases, the scientific research has given us updated information. For example, research published a week ago in Nature reveals that the motor cortex is not all about motor control (Gordon et al., 2023). There are pockets of neurons in between the motor control sections of the motor cortex that connect with other parts of the body. “As a result, the act of, say, reaching for a cup of coffee can directly influence blood pressure and heart rate. And the movement is seamlessly integrated into brain systems involved in planning, goals and emotion” (Hamilton, 2023). This is a beautiful example of the first of APA’s overarching themes for Intro Psych: “Psychological science relies on empirical evidence and adapts as new data develop” (Halonen et al., 2022) In some cases what I got wrong was me just not understanding. For example, if you used to teach that the cat running to the sound of the can opener was classical conditioning, you can identify with what I’m saying. (See this 2016 blog post for the explanation as to why this is not classical conditioning, but operant conditioning.) While I don’t have any suggestions on how we can speed up science, I do have some suggestions on how we can mitigate how much stuff we don’t understand, and, thus, mis-teach to our students. Here are some excellent books that will expand your Intro Psych knowledge. Most are written by experts in the field. Others were written by people who got deeply interested in the topic. If you have books that you have found useful for expanding your Intro Psych knowledge, please add them to the comments. Thanks! Neuroscience The tale of the dueling neurosurgeons: The history of the human brain as revealed by true stories of trauma, madness, and recovery written by Sam Kean Incognito: The secret lives of the brain by David Eagleman Livewired: The inside story of the ever-changing brain by David Eagleman Sensation and Perception An immense world: How animal senses reveal the hidden realms us by Ed Yong Perception: How our bodies shape our minds by Dennis Proffitt and Drake Baer Consciousness Why we sleep: Unlocking the power of sleep and dreams by Matthew Walker Buzzed: The straight facts about the most used and abused drugs from alcohol to ecstasy, 3e by, Cynthia Kuhn, Scott Swartzwelder, and Wilkie Wilson Development Breaking the age code: How your beliefs about aging determine how long and well you live by Becca Levy The gardener and the carpenter: What the new science of child development tells us about the relationship between parents and children by Alison Gopnik Memory The memory illusion: Remembering, forgetting, and the science of false memory by Julia Shaw Moonwalking with Einstein: The art and science of remembering everything by Joshua Foer Cognition Thinking fast and slow by Daniel Kahneman The undoing project: A friendship that changed our minds by Michael Lewis Emotion Aroused: The history of hormones and how they control just about everything by Randi Hutter Epstein Why zebras don’t get ulcers: the acclaimed guide to stress, stress-related diseases, and coping, 3e by Robert M. Sapolsky Stumbling on happiness by Daniel Gilbert Social Aggression and violence: A social psychological perspective by Brad J. Bushman Kitty Genovese: The murder, the bystanders, and the crime that changed America by Kevin Cook Personality Quiet: The power of introverts in a world that can’t stop talking by Susan Cain References Gordon, E. M., Chauvin, R. J., Van, A. N., Rajesh, A., Nielsen, A., Newbold, D. J., Lynch, C. J., Seider, N. A., Krimmel, S. R., Scheidter, K. M., Monk, J., Miller, R. L., Metoki, A., Montez, D. F., Zheng, A., Elbau, I., Madison, T., Nishino, T., Myers, M. J., … Dosenbach, N. U. F. (2023). A somato-cognitive action network alternates with effector regions in motor cortex. Nature. https://doi.org/10.1038/s41586-023-05964-2 Halonen, J., Thompson, J. L. W., Whitlock, K. H., Landrum, R. E., & Frantz, S. (2022). Measuring meaningful learning in Introductory Psychology: The IPI student learning outcomes. In R. A. R. Gurung & G. Neufeld (Eds.), Transforming Introductory Psychology: Expert advice on teacher training, course design, and student success (pp. 57–80). American Psychological Association. Hamilton, J. (2023, April 20). An overlooked brain system helps you grab a coffee—And plan your next cup. NPR. https://www.npr.org/sections/health-shots/2023/04/20/1171004199/an-overlooked-brain-system-helps-you-grab-a-coffee-and-plan-your-next-cup
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06-19-2022
08:05 AM
In the June 2022 edition of the APA Monitor on Psychology is an excellent article on the psychology of traffic safety. The article features David Strayer’s “four horsemen of death”: speed, impairment, fatigue, and distraction. Given the number and breadth of psychological concepts covered, this article provides fodder for a good end-of-term assignment. It may also save the lives of your students. Note that the journalist uses the term “crash” rather than “accident.” “Crash” is the preferred term by U.S. government agencies, such as the CDC and the National Highway Traffic Safety Administration (NHTSA). The word “accident” implies an incident that could not be avoided. The word “crash” does not carry that connotation. Giving the causes of traffic fatalities are due to driver decision-making, whether it be the driver of the vehicle or the driver of another vehicle, “crash” is a better descriptor than “accident.” Ask students to read the article “Improving Traffic Safety” (Pappas, 2022), and then answer the following questions. How many people died on U.S. roadways in 2020? Speed. What percentage of the 2020 traffic fatalities were estimated to be caused by excessive speed? The article describes three ways that our environment can contribute to unsafe driving. Take a photo of a road in your area that illustrates one or more of these environmental hazards. Explain. The article also describes three ways that our environment can contribute to safe driving. Take a photo of a road in your area that illustrates one or more of these environmental benefits. Explain. In a survey of drivers at the beginning of the pandemic, researchers “saw an increase in respondents saying they were more likely to break the law because they knew they were less likely to be caught.” Explain this finding in terms of operant conditioning. With fewer people on the roads during the pandemic shut-down, researchers speculate that street racing may have increased. What Ontario law led to a reduction in street racing? Explain this effect in terms of operant conditioning. If you are primarily a driver, what can you do to reduce your chances of dying in a car crash due to speed? If you primarily a passenger, what can you do to reduce your chances of dying in a car crash due to speed? Impairment. What percentage of the 2020 traffic fatalities were estimated to be caused by impaired driving? Based on your reading of the article, describe the relationship between stress, alcohol, and driving while impaired. What Big Five personality trait is associated with a history of driving while impaired and reckless driving? Given your knowledge of this trait, why might that association exist? Fatigue. What percentage of the 2020 traffic fatalities were estimated to be caused by fatigue? Why might this number be an underestimation? Summarize what you learned in this course about the effects of sleep deprivation. Choose five effects, and for each, briefly explain how it could negatively effect driving. According to the article, what have Australian highway authorities done to combat boredom on empty stretches of highway? Distraction. What percentage of the 2020 traffic fatalities were estimated to be caused by distracted driving? Explain how stress may contribute to distracted driving. Explain how the design of cars may contribute to distracted driving. Give at least one example. Conclusion. What was the most surprising thing you learned in this article? Explain. Identify at least one concept you learned in this course that could apply to speed, impairment, fatigue, or distraction but was not discussed in the article. Briefly describe the concept, and then explain how it could be a contributor to car crashes. Reference Pappas, S. (2022, June). Improving traffic safety. Monitor on Psychology, 53(4), 46–55.
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2,818

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02-26-2019
10:00 PM
Because the perception of color is inherent to our experience, it’s difficult to know what someone else’s perception of color is like. People with total color blindness (either monochromacy or achromatopsia) (National Eye Institute, 2015) or color deficiency – can’t know what someone with complete color vision sees. And people with complete color vision can’t know what someone with total color blindness or color deficiency sees. In an article about what it is like to be a woman who is red/green color blind*, Zoe Dubno (2019) tells us about a free app that manipulates color to show us what everyone else is seeing: Color Blind Pal (Android/iOS/Mac). If your students have one of these three types of color blindness, the app will shift the hue of colors to make those colors easier to see. Protanopia/protanomaly (cannot see any red/reduced sensitivity to red) Deuteranopia/deuteranomaly (cannot see any green/reduced sensitivity to green) Tritanopia/trianomaly (cannot see blue/reduced sensitivity to blue) For your non-color blind students who are, say, future software builders, website designers, graphic designers, interior designers or who will ever have a need to create a graph or do a presentation, they should know what almost 10% of their audience (National Eye Institute, 2015) will see. You can give your students this information from the National Eye Institute (2015): Red/green color blindness Protanopia: “Red appears as black. Certain shades of orange, yellow, and green all appear as yellow.” Protanomaly: “Red, orange, and yellow appear greener and colors are not as bright.” Deuteranopia: Red looks brownish-yellow; green look beige. Deuteranomaly (most common): “Yellow and green appear redder and it is difficult to tell violet from blue.” Blue/yellow color blindness Tritanopia (very rare): “Blue appears green and yellow appears violet or light grey.” Trianomaly: “Blue appears greener and it can be difficult to tell yellow and red from pink.” Or your non-color blind students can see the effects of color blindness for themselves in the Color Blind Pal app. Or your color blind students who are, say, future software builders, website designers, graphic designers, interior designers or who will ever have a need to create a graph or do a presentation, can use the Color Blind Pal app to shift colors into a range they can better see. Instructions on how to use the Color Blind Pal app are at the end of this blog post. Why is it that a red deficiency results in an inability to distinguish red from green and vice versa, and why is it that a green deficiency results in an inability to distinguish green from red? Follow the link to this image that shows the light wavelengths and how many photons (packets of lightwaves) each cone captures. Notice how much the red and green cones overlap in terms of their sensitivity to the wavelengths of light. For someone who is lacking green sensitivity, for example, their spectrum shifts toward red, making telling the difference between red and green more difficult. Conversely, for someone who is lacking red sensitivity, their spectrum shifts toward green, also making telling the difference between red and green more difficult. Why so much overlap between red and green cones? It looks like red and green cones used to be different alleles of the same gene. And this is still true among New World primates. The continents split 50 million years ago separating what would become New World primates from Old World primates. Around 40 million years ago, in Old World primates what was the green/red gene duplicated, allowing one gene to specialize in creating red cones and the other to specialize in creating green cones. New World primates haven’t had this gene duplication and all remain dichromats (essentially, they’re red/green color blind), except for some females. Since the gene with red/green alleles resides on the X chromosome (and gene for blue cones on chromosome 7), a male New World primate has blue (chromosome 7) and either green or red (he only has one X). A female New World primate has blue (chromosome 7), and, with two Xs, she can have two greens, two reds, or a green and red. In the latter case, she is a trichromat (White, Smith, & Heideman, n.d.). The Ishihara Test After your students have had a chance to explore the Color Blind Pal mobile app, visit a website that displays examples from the Ishihara Test for color blindness, such as this one at colormax.org. Zoom in so that only one test item is displayed at a time. Your students who are not color blind can simulate the different forms of color blindness to see how the number disappears. They can then change the settings in the app so that the app thinks they have, say, deuteranopia, to see how the app changes the colors to make the number more distinctive. Your students who are color blind, using the app set to their form of color blindness may see the number where they hadn’t before. ******<Start instructions>****** Instructions on how to use the Color Blind Pal mobile app Install the app by downloading it from Google Play (Android) or the App Store (iOS). When it asks, give the app permission to access your camera. If you are not color blind or color deficient: Click on the “i” icon, then click on “Color blindness type.” Choose one of the five “Simulate” options. Start with “Simulate deuteranomaly” (reduced sensitivity to green and the most common form of color blindness), then tap the back arrow. At the top of the screen, you can toggle between “Inspecting Color” which names the color in the middle of the screen and “Filtering Colors.” (Play around with “Inspecting Color” first, if you’d like.) Switch to “Filtering Colors.” Make sure “Shift” is selected at the bottom of the screen. You are now seeing what someone with deuteranomaly sees. Use the app to look at a range of colors, especially green and orange. Compare violet and blue. In the settings, change the “color blindness type” to “Simulate deuteranopia” (green blindness), and tap the back arrow. Look at those same colors again. How does lacking the ability to see any green (deuteranopia) compare to being green-deficient (deuteranomaly)? Change the “color blindness type” again to simulate the other forms of color blindness: protanopia (cannot see red), protanomaly (red-deficiency), tritanopia (cannot see blue). How do colors look different when simulating deuternopia compared to protanopia? If you are color blind or color deficient: Click on the “i” icon, then click on “Color blindness type.” Choose the type of color blindness that is closest to yours: protanopia (red), deuteranopia (green), or tritanopia (blue), then tap the back arrow. If you're not sure which form you have, start with deuteranopia (also covers deuteranomaly, the most common type of color blindness). At the top of the screen, you can toggle between “Inspecting Color” which names the color in the middle of the screen and “Filtering Colors.” (Play around with “Inspecting Color” first, if you’d like.) Switch to “Filtering Colors.” Make sure “Shift” is selected at the bottom of the screen. The app will “shift" hues away from colors that are hard to distinguish toward colors that are easier to distinguish.” At the bottom of the screen, select “Filter.” Everything will appear gray except for the color you chose on the slider. How do the colors change for you? What looks different now? ******<End instructions>****** *Color blindness vs color deficiency. Technically, the only people who are color blind are those with no color vision at all. Everyone else has different degrees of color deficiency. However, color blindness is in common use to mean any degree of color deficiency, I will use color blindness in this post in that way. References Dubno, Z. (2019, February 5). Letter of recommendation: Color blind pal. The New York Times Magazine. Retrieved from https://www.nytimes.com/2019/02/05/magazine/letter-of-recommendation-color-blind-pal.html?partner=rss&emc=rss National Eye Institute. (2015). Facts about color blindness. Retrieved February 13, 2019, from https://nei.nih.gov/health/color_blindness/facts_about White, P. J. T., Smith, J., & Heideman, M. (n.d.). The evolution of trichromatic vision in monkeys. Retrieved February 17, 2019, from https://lbc.msu.edu/evo-ed/pages/primates/index.html
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02-19-2019
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You can buy a good pair of bone conduction headphones for under $150. Some of your students may have seen them or own a set. Here’s a little information to add to your next Intro Psych hearing lecture, or at least some information to hold onto in case a student asks. If you teach Biopsych, you can dig even deeper into this topic – or have your students do the digging. Bone conduction headphones, such as Aftershokz Trekz Air, send vibrations through, well, bone. The headphones speakers are generally positioned against the cheek bone or upper jaw bone right in front of each ear. The cheek bones carry the vibrations through to the temporal bone – the bone that surrounds the cochlea. While the specifics are still under investigation, we know that these vibrations cause the cochlear fluid to move, triggering the cilia that send their messages to the auditory cortex where we hear sound. It could be that the bone vibrations cause the fluid in the cochlea to move due to a change in pressure, the vibrations in the bone put pressure on the walls of the cochlea causing them to compress, or the vibrations in the bone could cause waves in the cerebrospinal fluid in the skull thereby causing waves in the cochlea (Dauman, 2013). Or all three. All of those routes explain how someone with middle ear damage can hear through bone conduction. The vibrations bypass the bones of the middle ear and affect the cochlea directly. Bone conduction hearing devices (previously called bone anchored hearing aids) are for people with issues with their outer or middle ears. These devices can either be surgically implanted with a speaker attached by magnet or just temporarily attached with adhesive (Hearing Link, 2017). The vibrations produced by bone conduction headphones also cause vibrations in the skin and cartilage of the outer ear as well as vibrations in the temporal bone of the skull. Those vibrations cause air to move in the outer ear, triggering the bones of the middle ear to move, and so on, resulting in sound. This may not contribute much to what we hear through bone conduction, but it contributes more if we wear ear plugs with our bone conduction headphones. That brings us to the occlusion effect (Dauman, 2013). While you may not be familiar with the occlusion effect (I wasn’t), everyone with some amount of hearing has experienced it. While talking, plug your ears with your fingers. Your voice will sound up to 20 decibels louder (Ross, 2004). We hear our own voices through bone conduction. With our outer ears open, the vibrations that come through the bone can vibrate on out through the outer ear. With our outer ears plugged, the vibrations cannot escape and so reverberate back through the middle ear, amplifying our voices. This is one of the reasons some people don’t like (unvented) earmold hearing aids; they completely block the ear canal making our voice sound funny (Ross, 2004). Most earmold hearing aids now come with a vent – an opening that allows the vibrations caused by our voices to escape. Why use bone conduction headphones? There are several advantages to using bone conduction headphones (Banks, 2019). If you are walking, running, or biking on the open road, bone conduction headphones allow you to listen to your tunes without blocking your ear canal. You’ll have a greater chance of hearing that car coming up behind you, but, of course, all of the research on attention tells us that you still may not attend to the sound of the car. Or you may not hear the car at all if the sound of it is masked by whatever you’re listening to through your headphones (May & Walker, 2017). In terms of this sort of safety, bone conduction headphones are likely not worse than any other kind of headphone or speaker (Granados, Hopper, & He, 2018). If you use earmold hearing aids, you can use bone conduction headphones with them. If you are a scuba diver, you can use a bone conduction microphone and headphones to both speak and listen underwater (see for example Logosease). If you have tinnitus, bone conduction headphones can provide auditory stimulation to the cochlea that may reduce tinnitus while allowing you to still have a conversation in, say, a work environment (British Tinnitus Association, n.d.; Schweitzer, 2018), although the research here is scant (Manning, Mermagen, & Scharine, 2017). Can bone conduction headphones produce hearing loss when listening at loud volumes just like regular headphones can? After scouring journals and reading opinions from all corners of the internet, my conclusion, pending further evidence, is a tentative and cautious affirmative; bone conduction headphones can cause hearing loss. Anything that can produce loud sounds, including regular headphones cranked up to a high volume, causes hearing loss by producing tsunamis that damage the cilia in the cochlea. Since bone conduction headphones are also causing waves in the cochlea, it stands to reason that waves caused by bone conduction could also reach tsunami strength. But, then again, maybe bone conduction cannot produce those kind of waves. Some research here would be nice. If you know of any, please let me know! References Banks, L. (2019). Best bone conduction headphones of 2019: A complete guide. Retrieved February 11, 2019, from https://www.everydayhearing.com/hearing-technology/articles/bone-conduction-headphones/ British Tinnitus Association. (n.d.). Sound therapy (sound enrichment). Retrieved February 11, 2019, from https://www.tinnitus.org.uk/sound-therapy Dauman, R. (2013). Bone conduction : An explanation for this phenomenon comprising complex mechanisms. European Annals of Otorhinolaryngology, Head and Neck Diseases, 130(4), 209–213. https://doi.org/10.1016/j.anorl.2012.11.002 Granados, J., Hopper, M., & He, J. (2018). A usability and safety study of bone-conduction headphones during driving while listening to audiobooks. Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 62(1). Hearing Link. (2017). Bone conduction hearing devices. Retrieved February 11, 2019, from https://www.hearinglink.org/your-hearing/implants/bone-conduction-hearing-devices/ Manning, C., Mermagen, T., & Scharine, A. (2017). The effect of sensorineural hearing loss and tinnitus on speech recognition over air and bone conduction military communications headsets. Hearing Research, 349, 67–75. May, K., & Walker, B. N. (2017). The effects of distractor sounds presented through bone conduction headphones on the localization of critical environmental sounds. Applied Ergonomics, 61, 144–158. Ross, M. (2004). Dr. Ross on hearing loss. Retrieved February 11, 2019, from http://www.hearingresearch.org/ross/hearing_loss/the_occlusion_effect.php Schweitzer, G. (2018). Bone conduction headphones for hearing loss and tinnitus. Retrieved February 11, 2019, from https://rewiringtinnitus.com/trekz-titanium-bone-conduction-headphones/
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03-29-2018
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Perceptual illusions are not only great fun, they also remind us of a basic truth: Our perceptions are more than projections of the world into our brain. As our brains assemble sensory inputs they construct our perceptions, based partly on our assumptions. When our brain uses rules that normally give us accurate impressions of the world it can, in some circumstances, fool us. And understanding how we get fooled can teach us how our perceptual system works. A case in point is the famed Müller-Lyer illusion, for which the Italian visual artist Gianni Sarcone gives us two wonderful new examples. https://www.giannisarcone.com/3-MEDIA_Images/Muller_lyer_star_OR2.gif https://www.giannisarcone.com/wp/wp-content/uploads/2017/10/Muller_Lyer_waves_S.gif Many more informative examples can be found amid the 644 pages of the new Oxford Compendium of Visual Illusions. There I discovered a fascinating phenomenon reported by Gettysburg College psychologist Richard Russell. First (with Professor Russell’s kind permission from his earlier article in Perception) a question: In the pair of Caucasian faces, below, which looks to be the male, and which the female? Do you (as did I) perceive the left face as male, the right face as female? Many people do, but in actuality, they are the same androgynous face (created by averaging Caucasian male and female faces), but with one subtle difference: the researchers slightly darkened the skin (but not the lips or the eyes) in the left face and lightened the skin in the right face. Why? Because worldwide and across ethnic groups, Russell and others report, women’s skin around the lips and eyes tends to be lighter than men’s. And that means more contrast between their skin and their lips and eyes. That natural, subtle facial sex difference enabled Russell to recreate what he calls “the illusion of sex” with a second demonstration. This time, he left the skin constant but lightened the lips and eyes of the left face, making it appear male, and he darkened the lips and eyes of the right face, increasing the contrast, making it appear female. Russell suggests that this helps explain why, in some cultures, women use facial cosmetics. Lipstick and eye shadow amplify the perceived sex difference, he notes, “by exaggerating a sexually dimorphic attribute—facial contrast.”
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11-04-2017
09:45 AM
I didn’t start covering hearing in my Intro Psych course until the earbud-style headphones became popular. When I heard music emanating from a student’s earbuds from the back of the room, I knew it was time for us to have a conversation. In the cochlea, the stereocilia closest to the oval window are the ones responsible for hearing high-pitched sounds. Exposure to loud sounds causes a tsunami to rush over those stereocilia, causing them to bend over farther than they are supposed to resulting in permanent damage (Oghalai, 1997). The Center for Hearing Loss Help has a nice image of a bundle of pristine stereocilia and a bundle of damaged cilia. In fact, this is an interesting article on diplacusis, where one ear hears a pitch that is just above or just below the pitch heard by the other ear (Center for Hearing Loss Help, 2015). In class, after walking students through the structure and workings of the ear, I go to this webpage (Noise Addicts, n.d.) that has 3-second sound files of pitches ranging from 22 kHz down to 8 kHz. I start with the 22 kHz, which none of my students can hear, and then move to lower pitches one by one. I cannot hear them until I get down to about 14 kHz. Fifty years of being exposed to sound, with the last 16 years spent in a noisy urban environment – and more than one rock concert – has likely taken its toll. I have friends in their 70s who have spent their lives in a quiet town who have no problem hearing 17 kHz. Of course exposure to loud sounds is not the only factor that can affect hearing loss for high-pitched sounds, but it is a common factor. Some time ago, I had a student who knew that he had some hearing loss, but he had no idea of the extent of it. When I played the sounds in class, he was stunned to see students reacting to the high-pitched sounds that he couldn’t hear. The first frequency he heard was a mere 8 kHz. He immediately made an appointment with an audiologist. He was (just barely) young enough that he qualified for a special program that got him hearing aids for free. The first time he was in class after getting them, he told me that he was floored by how much he could hear – and how much he hadn’t been hearing. Another student who spent a couple years working as a bouncer at a (very loud) club was 23 years old, and the first frequency he heard was 12 kHz. In Mary Roach’s book Grunt, she writes that the problem with most hearing protection is that not only does it protect against loud sounds, but it also makes it hard to hear softer sounds. This is especially problematic for combat soldiers. They need to protect their hearing in case of a sudden explosion or gunfire, but they need to be able to hear what their fellow soldiers are saying. There are now ear cuffs that protect against loud noises but also amplify quieter sounds. In this 3-minute YouTube video, Roach describes the hearing problem and how these new ear cuffs work. A student of mine, who is in the army, said he got to try out the ear cuffs – although not in combat, and he was very impressed with how well they worked. Video Link : 2162 Knowing how their ears work can help students make informed decisions about how they would like to treat their ears. With that knowledge, students may make better decisions that will affect them for their rest of their lives. References Center for Hearing Loss Help. (2015). Diplacusis -- the strange world of people with double hearing. Retrieved from http://hearinglosshelp.com/blog/diplacusisthe-strange-world-of-people-with-double-hearing/ Noise Addicts. (n.d.). Hearing test -- can you hear this? Retrieved from http://www.noiseaddicts.com/2009/03/can-you-hear-this-hearing-test/ Oghalai, J. S. (1997). Hearing and hair cells. Retrieved November 4, 2017, from http://www.neurophys.wisc.edu/auditory/johc.html
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05-14-2017
12:49 PM
One of my favorite sources for examples of psychological concepts are comic strips. Some of them get worked into lectures, others show up on exams, and sometimes I’ll offer them for a couple points extra credit, especially for new comics that harken back to content covered earlier in the course. Here are some May 14, 2017 comic strips that may be worth adding to your stable of examples. The Betty comic strip gives us a wonderful example of change blindness. Junior, Betty’s son, is dinking around on his phone while explaining his generation’s amazing ability to multitask. During his explanation, Betty calls in her husband to take her place. When Junior’s attention is returned to his parent, he sees his dad and is completely unaware that he had replaced his mom. In Frank and Ernest Frank has a young person working out on his farm. The young person, upon hearing “crop,” thinks cropping photos instead of crops that are planted. For someone who spends a lot of time in the digital world instead of a farming world, that person would be primed to interpret “crop” as photo manipulation. Frazz gives us commentary on the positive reinforcement provided by smartphones. Pick up your smartphone to get a jolt of pleasure in some form – text messages, phone calls, games, social media updates. Caulfield, the boy in the strip, says that his dad “calls them dopamine pumps.” (If you want to dive deeper into smartphone use, I wrote a post on stress and smartphones a few months ago.) Bonus comic strip. My favorite classical conditioning comic strip comes from Lio (November 14, 2009). A monster replaces Pavlov’s dogs, “Monsta Treats” replace meat powder, and the sound of a ripping bag replaces the tone. Do you have any favorite comic strips that illustrate psychological concepts?
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05-07-2017
07:30 AM
After covering sensation and perception, take students back to 2015. In case you missed it, this was the image that blew up social media in February of that year. Viewers were divided into two camps. Some saw the dress as blue/black while others saw it as gold/white. These discussions were not about whether a color was more blue or more purple. People were talking about very different perceptions. Friends and family got into arguments because each camp thought they were being gaslighted by the other. [Side note. The term gaslight, in this context, comes to us from a 1938 play which became a 1944 movie.] What color is the real dress? Blue/black. But before the blue/black perceivers cheer for being right, the image of The Dress that falls on our retinas is more complicated than that. It turns out that both the blue/black and gold/white perceivers are right, that is, in terms of which light waves our eyes pick up. Oh. And if you perceive it as blue/brown, you’re not alone, but there aren’t that many of you. But first, why such different perceptions? Our sensation and perception colleagues identified an assumption that our brains had to make. Some of us assumed that The Dress was lit by artificial, yellow light, the kind of light we get indoors. Others of us assumed that The Dress was lit by natural, blue light, the kind of light we get outdoors. When we assume yellow light, our brains subtract yellow from the light wave data our eyes send to our brains. With the yellow removed, The Dress is perceived as blue/black. When we assume blue light, our brains subtract blue from the light wave data. With blue removed, The Dress is perceived as gold/white. Where does blue/brown come from? Those perceivers are splitting the difference. They’re subtracting a little yellow and a little blue. ASAP Science did a nice 2-minute video on how this – color constancy – works. Video Link : 2015 A closer look at The Dress You can show students exactly what their eyes are seeing, before the brain subtracts a color. On your classroom computer, right-click on the photo of this dress, and select “Copy image address.” Visit the LunaPic website. In the “Open from URL” box, paste the image address. On the far left side of the page you will see a toolbar. Click anywhere over there to enter editing mode. From that toolbar, choose the eyedropper; it’s the ninth icon from the top. Click anywhere on The Dress to see the color of that spot displayed at the top of the page. Click the eyedropper again and choose another spot. When you click on a blue/white band, the color is actually a slate gray. If our brains subtract yellow, we perceive the color as bluer than it is. If our brains subtract blue, we perceive the color as whiter than it is. Use the eyedropper to sample from the black/gold bands. They are a goldish brown. If our brains subtract yellow, we perceive the color as black. If our brains subtract blue, we perceive the color as yellow-gold. Who is more likely to perceive it one way and not another way and why? But none of that answers the question of why some people are more likely to assume yellow light while others are more likely to assume natural light. One hypothesis is that those who spend more of their day inside under artificial lights are more likely to subtract yellow and see a blue/black dress. Those who spend more of their day outside or inside spaces with a lot of natural light – think skylights and large windows – are more likely to subtract blue and see a gold/white dress. Survey research has found that “[o]lder people and women were more likely to report seeing ‘The Dress’ as white and gold, while younger people were more likely to say that it was black and blue” (Cell Press, 2015). Ask your students to work in pairs or small groups to generate some hypotheses as to why this is the case. Ask volunteers to report their hypotheses. For example, is it a cohort effect for age? Did older people spend more of their childhoods outdoors than today’s youth and therefore more likely to assume blue light? Teenagers are also more likely to be “owls.” Psychological scientist Pascal Wallisch reasoned that “owls” – people who get up late and go to bed late – would experience more yellow light and, thus, would be more likely to perceive The Dress as blue/black. Conversely, he expected “larks” – people who get up early and go to bed early – would experience more blue light and, thus, would be more likely to perceive The Dress as gold/white. He found a statistically significant difference between the owls and larks in their perceptions of The Dress, but the differences weren’t huge. In other words, it appears that this is one factor, but not the only factor, that influences our assumptions about the lighting (Wallisch, 2017). Recap Remind students that color does not exist outside of our brains. Outside, it’s light waves. Our eyes convert those light waves into neural signals. Our brain takes those neural signals and uses them in combination with other factors, like the surrounding colors and assumptions about the environment, to create the color that we see.
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11-01-2016
08:53 AM
Open your discussion of sensation and perception by showing students this image. Note the white on the clear bulb where the light is reflecting. Our eyes detect white, but our brains know that those white spots aren’t really white. Based on past experience, our brain perceives the white as merely reflections of light. Image source: https://www.pexels.com/photo/clear-glass-light-bulb-75427 Next, show students this photo. Image source: http://cheezburger.com/8985651968/shiny-legs-optical-illusion-paint-whats-making-these-legs-look-so-shiny It’s not quite The Dress, but this is still pretty cool. Like many people, what you see are shiny legs. Do they look like they are covered in a hard, clear plastic? But what if I told you that there is no plastic. It’s just strategically placed white paint? If you saw shiny legs, you were perceiving the white as reflected light, as you rightly did with the light bulb. Once you’re told the white is paint, the shininess disappears, and you are just left with, well, white paint.
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01-13-2016
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As a psychology instructor it is clear to you the myriad ways in which psychology can be used to both understand social issues and speak to solutions. In fact, the APA Guidelines for the Major (2013; see below) encourages us to help our students see the same. Debra Mashek (2016) suggests a few assignments that provide our students opportunities to connect psychology with today’s social issues. Integrative essay The instructor chooses three articles (interesting, nifty methodology, and not too difficult for students to understand – but on the surface may not have anything obviously to do with each other), and assigns one of those articles to each student, i.e. 1/3 of the class gets article A, 1/3 gets article B, and 1/3 gets article C. Each student writes a one-page summary of their assigned article and brings that with them to class. The class breaks up into groups of three, where the groups are composed of students who have all read different articles. In a jigsaw classroom format, the students tell the others in their three-person group about their article. Students then “articulate an applied question that invites application of ideas from all the articles.” Each 3-person group then co-authors a short paper (two to three pages) that identifies their applied question and how each of the three articles speak to that question. Persuasion research activity Right after Hurricane Katrina, Mashek decided she wanted her Intro Psych students to experience psychological research firsthand while also contributing to the relief effort. Mashek gave a brief lecture on foot-in-the-door, door-in-the-face, and reciprocity. She randomly assigned ¼ of students to foot-in-the-door, ¼ to door-in-the-face, ¼ reciprocity (she gave these students lollipops to hand to people before asking for a donation), and ¼ to a command condition (“give money”). During that same class period students were sent out in pairs to different areas of campus to return an hour later. Thirty-five students collected $600. Students reported a greater connection to the victims of Katrina after they returned than they reported before they left. Mashek used this experience as a leaping off point for discussing research methodology in the next class session. Current headline classroom discussion Pick a current headline. Break students into small groups, perhaps as an end of class activity, and give them one or two discussion questions based on the current chapter you are covering that are relevant to the headline. For example, if you are covering the social psychology chapter in Intro Psych, give students this headline from the January 9, 2016 New York Times: “Gov. Paul LePage of Maine Says Racial Comment Was a ‘Slip-Up’.” This is a short article, so you could ask students to read the article itself. Sample discussion questions: (1) What evidence is there of ingroup bias? (2) Do Gov. LePage’s comments illustrate stereotyping, prejudice, and/or discrimination? Explain. If time allows, student groups can report out in class. Alternatively, this could be a group writing assignment or a scribe for the group could post a summary of the group’s responses to a class discussion board. Students will gain an appreciation of the scope of psychology and how it is relevant to today’s social issues. This activity throughout the course should help students, after the course, to continue to see psychology at play. The APA Guidelines for the Major (2013) include these indicators related to social issues: 1.3A Articulate how psychological principles can be used to explain social issues, address pressing societal needs, and inform public policy 3.3c Explain how psychology can promote civic, social, and global outcomes that benefit others 3.3C Pursue personal opportunities to promote civic, social, and global outcomes that benefit the community. 3.3d Describe psychology-related issues of global concern (e.g., poverty, health, migration, human rights, rights of children, international conflict, sustainability) 3.3D Consider the potential effects of psychology-based interventions on issues of global concern American Psychological Association. (2013). APA guidelines for the undergraduate psychology major: Version 2.0. Retrieved from http://www.apa.org/ed/precollege/undergrad/index.aspx Mashek, D. (2016, January 4). Bringing the psychology of social issues to life. Lecture presented at National Institute on the Teaching of Psychology in Tradewinds Island Grand Resort, St. Petersburg Beach. Seelye, K. Q. (2016, January 9). Gov. Paul LePage of Maine Says Racial Comment Was a 'Slip-up'. The New York Times. Retrieved January 9, 2016, from http://www.nytimes.com/politics/first-draft/2016/01/08/gov-paul-lepage-of-maine-denies-making-racist-remarks
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