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Duration:04:20
Uploaded:2017-04-10
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Like a scene from a horror film, you are in a elevator, you push the close button —Hurry! The murderer is coming at you! However, again you push the close button, the door won’t close! Psych! The button is fake. But why is that most of the elevators still have those buttons?

Hosted by: Hank Green
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Sources:
https://www.nytimes.com/2016/10/28/us/placebo-buttons-elevators-crosswalks.html?_r=2
http://abcnews.go.com/Business/idea-citys-crosswalk-buttons-work/story?id=24796722
http://radioboston.legacy.wbur.org/2010/05/10/walk-buttons
http://www.citylab.com/navigator/2015/09/ask-citylab-do-walk-buttons-actually-do-anything/400760/
http://www.bbc.com/future/story/20150415-the-buttons-that-do-nothing
https://courses.umass.edu/psyc241/langerrodin.pdf
http://journals.sagepub.com/doi/pdf/10.1177/001872678603901104
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5002400/pdf/fpsyg-07-01272.pdf
http://weiszlab.fas.harvard.edu/files/jweisz/files/rothbaum_weisz_snyder_1982_j_of_personality_and_social_psych.pdf
https://pdfs.semanticscholar.org/325e/6e585c8c4484c074e98893e41290b2fc2c54.pdf
http://www.apa.org/pubs/journals/features/int-int0000035.pdf
http://jamanetwork.com/journals/jamapsychiatry/fullarticle/494482
http://psycnet.apa.org/journals/psp/32/2/311.pdf

Image Source:
https://en.wikipedia.org/wiki/Ellen_Langer#/media/File:Ellen_Langer.jpg
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