Psychology / Unit 1 Psych 0083 short lesson, about 20 seconds
Hindsight Bias
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The idea
Hindsight bias is the tendency to see an outcome as having been predictable once that outcome is known.
In practice
After a study's result is announced, most people rate it as obvious — including people who predicted the opposite beforehand.
Where people slip
Hindsight bias is why psychology looks like common sense. Written-down predictions are the check.
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