A dropdown for a small set of options
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Rule · bucket: judgment · severity: note · detector: none · since: v0.1.0
Section: Things to avoid
Group: Forms

Forbidden:
  A select holding three, five or eight choices

Instead:
  Radio buttons, stacked vertically, for roughly ten options or fewer. A dropdown costs open, scroll and choose — several precise interactions — hides its options from scanning and comparison, and looks filled when empty, so it gets skipped. Radios cost one press and stay visible.