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+---
+name: usability-test-plan
+description: Design a usability test plan with tasks, success metrics, participant criteria, and facilitation guide. Use when planning moderated or unmoderated usability testing sessions.
+---
+
+# 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