4 psychology principles to help you better understand your users

Photo by Priscilla Du Preez on Unsplash

1. Peak-End Rule

This heuristic evaluation states that a user judges their experience based on their feelings at two specific moments, not on their average feelings throughtout. The two key moments that they judge on are the most extreme (peak) and the end.

2. Fogg’s Behavior Model



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Phylicia Flynn

Phylicia Flynn


Interior Designer transformed into UX/Product Designer. NJ transplant living in the Midwest. Has an affinity for dogs, spicy food and coffee shops. phylicia.co