: Too many options lead to "analysis paralysis." Limit choices to speed up decision-making.
: Recognizing that users have diverse cognitive and physical abilities. Applying psychological principles like high contrast for visual clarity or clear hierarchies for screen readers ensures technology is usable by everyone. The Psychology of Human-Computer Interaction
: Users need instant validation (like a loading bar or click sound) to know an action worked. : Too many options lead to "analysis paralysis
: Users have a preconceived idea of how a system works. Design should match these expectations to reduce frustration. The Psychology of Human-Computer Interaction
: Design to stop mistakes before they happen, such as graying out unavailable buttons. Emotional Design
: Provide visual cues rather than making users memorize paths.