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miguelclavelmiguelclavel/ux-research-skills/skills/usability-test-plan/SKILL.md

usability-test-plan

Skill1 starsChanged 37 days agoMITView on GitHub

Plan a moderated or unmoderated usability test: goals, realistic tasks, success criteria, metrics, script and setup. Use when someone wants to test a prototype, flow, website or app with users, write test tasks or scenarios, or prepare a moderator script.

3 other projects use a version of this.

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The file

We split this skill into the rules it gives an agent

2 rules. About 0 are common, 2 are distinctive, and 0 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈2

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 0

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    Test whether people can do what the product is for, without being told how.

    line 8
  2. Distinctive:

    Don't help, lead or explain during tasks.

    line 26

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Usability test plan

Test whether people can do what the product is for, without being told how.

Steps

  1. Goals: the two or three questions this test answers ("Can first time visitors start a quote from the homepage?").
  2. Participants: five to eight per distinct group finds most big problems. Include people who use assistive technology when you can.
  3. Tasks as scenarios: a realistic goal, no interface words, no hints. "Your renewal went up by 20%. Find out if you could pay less", not "Click Compare quotes".
  4. Success criteria for each task: what counts as success, partial success and failure, decided before testing.
  5. Metrics: task success, time on task, errors, a single ease question after each task (one to seven), and SUS at the end if you need a benchmark.
  6. Script: intro and consent, think aloud practice, tasks in a sensible order, post task questions, wrap up. Neutral prompts only: "What are you looking for?", "What would you do next?"
  7. Setup: device, prototype links, recording, note taking template, a pilot run with a colleague first.

Output

The plan with goals, participants, each task with its scenario and success criteria, metrics, and the full moderator script.

Don't

  • Don't help, lead or explain during tasks. Don't test five features in one session; test the core flow well.

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