Cognitive Biases: Peak-End Effect
Associate Professor
Psychology
Yale University

In this video, Laurie Santos (Yale University) explains why our memories of good and bad events are a biased. Specifically, she explains how our retrospective evaluations fall prey to the peak-end effect— a bias in which we overweight the peak and end of our everyday experiences— and how this bias leads us to ignore other features of the event like its duration.

Resources