The five fundamental psychological concepts in design are: 1) Affordances, which are the possible actions a user can take; 2) Signifiers, which guide the user towards these actions; 3) Constraints, which limit the actions that can be taken; 4) Mappings, which relate actions to their effects; and 5) Feedback, which informs the user about the result of an action.
How do designers improve their products to work around flaws in human logic? In The Design of Everyd...
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