UI/UX Design Intermediate Free

Interaction Design Principles

The named laws and heuristics interviewers expect you to cite by name and apply to a screenshot — Nielsen's 10, Gestalt, Fitts's and Hick's Laws, affordances, and the error-handling hierarchy

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Covers Nielsen's 10 usability heuristics with concrete UI examples, the Gestalt principles of perceptual grouping (proximity, similarity, common region, closure, continuity), Fitts's Law and target sizing, Hick's Law and choice overload, Don Norman's affordance/signifier distinction and the flat-design failure mode, feedback loops and the 'dead click' problem, and the error-prevention-over-error-recovery hierarchy.

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Practice questions (5)

Auditing a Settings Screen Against Nielsen's Heuristics

Intermediate · Free

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Fixing a Confusing Form Layout with Gestalt Principles

Intermediate · Free

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Redesigning a Mobile Toolbar Under Fitts's and Hick's Laws

Intermediate

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Diagnosing a Post-Redesign Drop in Interaction Rate

Intermediate

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Redesigning Checkout Error Handling Using the Prevention Hierarchy

Intermediate

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Quizzes (1)

Interaction Design Principles Quiz

0 attempts · 10 min · Pass 70% · Intermediate

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