BIAS OF THE WEEK

Hindsight Bias

In a study, participants were asked to predict the outcome of the vote for a Supreme Court nominee

Before the vote, 58% of the participants predicted that the nominee “A” would be confirmed as Supreme Court justice

After the confirmation, 78% of the same participants claimed that they had predicted the approval of the nominee “A”

We tend to look back and think that an unpredictable event was easily predictable

See the full study here :

Dietrich, D., & Olson, M. (1993). A demonstration of hindsight bias using the Thomas confirmation vote. Psychological reports72(2), 377-378. https://doi.org/10.2466/pr0.1993.72.2.377

Want to know more about biases?

Functional Fixedness

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In-Group Bias

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False Consensus Effect

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Decoy Effect

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