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
Define objectives
What specific questions should this test answer?
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
Include a pilot test checklist
What to verify before the real sessions.
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