The document discusses the 'peak-end rule' which is that people's memory of experiences is judged almost entirely based on how intense the peak of the experience was and how it ended, rather than the overall net pleasantness, unpleasantness, or length of the full experience.

1. ‘ Peak - end rule’ on people’s memory of experiences Source: ‘Peak End Rule’Danny Kahneman, Nobel Prize Winner ‘ Peak – end rule’ We judge our past experiences almost entirely on how they were at there peak and how they ended Net pleasantness or unpleasantness, or the length of the experience is almost entirely disregarded