While Some Unethical, These 4 Social Experiments Helped Explain Human Behavior

How have we learned about human behavior? Some studies caused a baby to fear animals — and other experiments helped us explore human nature.

By Allison Futterman
Aug 6, 2024 6:00 PM
psycologist taking notes
(Credit: Alena Lom/Shutterstock)

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From the CIA’s secret mind control program, MK Ultra, to the stuttering “Monster” study, American researchers have a long history of engaging in human experiments. The studies have helped us better understand ourselves and why we do certain things.

These four experiments did just this and helped us better understand human behavior. However, some of them would be considered unethical today due to either lack of informed consent or the mental and/or emotional damage they caused.

1. Cognitive Dissonance Experiment

After proposing the concept of cognitive dissonance, psychologist Leon Festinger created an experiment to test his theory that was also known as the boring experiment. 

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