Von Restorff Effect: Using Contrast Without Creating Noise
A distinctive item can attract attention or become memorable relative to its surroundings. Use contrast to highlight a genuinely important decision, while…
OSAMA ALI / FIELD NOTES
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A distinctive item can attract attention or become memorable relative to its surroundings. Use contrast to highlight a genuinely important decision, while…
People may recall items differently depending on where they occur in a sequence. In interface work, consider order alongside meaning, visibility, and task…
Use psychology to ask better questions about attention, memory, perception, and decisions. Treat a principle as a lens for investigating a specific interface,…
Show the information and controls needed now, and reveal secondary detail when it becomes relevant. Keep the path to that detail understandable so reduced visual…
People's retrospective judgments can be influenced by salient moments and endings, but that is not a reason to neglect the rest of the experience. Improve…
The familiar seven-plus-or-minus-two idea is not a universal limit for navigation or interface elements. Consider meaningful grouping, recognition, task…
Support recognition by keeping relevant information and prior choices visible when people need them. Use consistent labels, meaningful feedback, and resumable…
Potential losses and gains may be judged differently, depending on context. Use clear descriptions of consequences and recovery rather than pressuring users with…
Familiar patterns can help people transfer expectations from other products. Preserve conventions when they clarify the task, and change them deliberately when…
Hick's law concerns choice time in constrained experimental conditions. It does not imply that every menu should have fewer items; organization, familiarity,…
Grouping cues such as proximity, similarity, and continuity help people interpret visual relationships. Apply them consistently so the apparent grouping of…
Fitts's law relates movement time to target distance and size under particular conditions. For interface design, it motivates attention to reachable, adequately…
An experience can be usable yet still feel uncertain, frustrating, or impersonal. Consider feedback, tone, pacing, and recovery alongside task success, and test…
A preset option can influence the choice a person makes. Choose defaults that serve the user's likely needs, explain their consequences, and make alternatives…
Reduce the amount of information users must remember and coordinate at one time. Keep relevant context visible, group related elements, and reveal secondary…
Cognitive biases describe tendencies that can affect judgment; they do not predict every person's behavior. Use them to form research questions and identify…
Help readers locate the information and controls needed for their task through hierarchy, grouping, and clear labels. Treat familiar scanning patterns as…
An initial number or reference point can influence how later options are judged. In pricing UX, make comparisons honest and understandable rather than using a…
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