In the past, some experiments were run in scary and unethical ways. From using children to unknowing subjects, these five experiments left people affected for the rest of their lives.

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Sources:
https://www.theguardian.com/law/2015/jul/10/us-torture-doctors-psychologists-apa-prosecution
http://www.apa.org/ethics/code/
http://www.hhs.gov/ohrp/regulations-and-policy/belmont-report/

Little Albert
http://www.apa.org/monitor/2010/01/little-albert.aspx
http://psychclassics.yorku.ca/Watson/emotion.htm

The Monster Study
http://ir.uiowa.edu/cgi/viewcontent.cgi?article=6264&context=etd
http://www.uh.edu/ethicsinscience/Media/Monster%20Study.pdf

The Milgram Experiment
https://www.und.edu/instruct/wstevens/PROPOSALCLASS/MARSDEN&MELANDER2.htm

The Bystander Effect
http://www.wadsworth.com/psychology_d/templates/student_resources/0155060678_rathus/ps/ps19.html
http://psycnet.apa.org/?&fa=main.doiLanding&doi=10.1037/h0025589

The Stanford Prison Experiment
http://www.prisonexp.org/
http://blogs.scientificamerican.com/beautiful-minds/an-important-but-rarely-discussed-lesson-of-the-stanford-prison-experiment/

Photos:
Wundt Research Group: https://commons.wikimedia.org/wiki/File:Wundt-research-group.jpg

5 Psychology Experiments You Couldn’t Do Today

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