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Reference · Things to avoid

Unconventional controls

Forbidden
A bespoke form field, checkbox or select that looks and behaves unlike every other one the user has met
Instead
Conventional shapes: inputs are rectangles with the label above, checkboxes are squares with a tick, radios are circles, links are underlined.

What this rule looks like

Forbidden
Instead

Why this rule

People arrive with a mental model built from every other product they use (Jakob's law). Matching it is free comprehension; departing from it charges the user to learn something that gains them nothing. Innovate on the product's actual purpose, not on its form fields.

Kind
Rule
Section
Things to avoid
Group
States and interaction
Bucket
judgment
Severity
note
Since
v0.1.0

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