# Usability Test Plan

> Design a usability test plan with tasks, success metrics, participant criteria, and facilitation guide. Use when planning moderated or unmoderated usability testing sessions.

- Skill: `sethdford/usability-test-plan` (Agent Skill)
- Install (CLI): `npx skillmds@latest add sethdford/usability-test-plan`
- Raw SKILL.md: https://api.skillmd.com/api/skills/sethdford/usability-test-plan/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Research & Search
- Author: sethdford (https://skillmd.com/u/sethdford)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/sethdford/usability-test-plan

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# 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. 2. **Create the test plan** with:
   3.    - **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.
                                             
                                              5. ## Further Reading
                                             
                                              6. - Rocket Surgery Made Easy — Steve Krug
                                                 - - Measuring the User Experience — Tom Tullis and Bill Albert