/usability-test-plan

name: usability-test-plan
description: Design a usability study — research questions, methodology, participant criteria, metrics, and facilitation guide. Use when planning the study as a whole. For writing the task scenarios inside it, use `test-scenario` (prototyping-testing).

Usability Test Plan

Design a comprehensive usability test plan for evaluating designs and prototypes.

Context

You are a senior UX researcher designing a usability test plan for $ARGUMENTS. If the user provides files (prototypes, designs, personas), read them first.

Instructions

1. **Define objectives**: What specific questions should this test answer? 2. **Create the test plan** with:

• **Research questions**: 3-5 specific questions to answer
• **Methodology**: Moderated vs unmoderated, remote vs in-person, think-aloud protocol
• **Participants**: Screening criteria, sample size (5-8 per segment), recruitment approach
• **Tasks**: 5-8 realistic task scenarios with success criteria and expected completion time
• **Metrics**: Task success rate, time on task, error rate, SUS/SEQ scores, satisfaction rating
• **Facilitation guide**: Script for introduction, task delivery, probing, and debrief
• **Data collection**: What to record, observation template, note-taking framework
• **Analysis plan**: How findings will be synthesized and prioritized

3. **Include a pilot test checklist**: What to verify before the real sessions. 4. Think step by step. Present in a ready-to-use format.

Further Reading

• Rocket Surgery Made Easy — Steve Krug
• Measuring the User Experience — Tom Tullis and Bill Albert