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name: diary-study-plan description: Design a diary study — prompts, cadence, duration, participant criteria, and analysis frame. Use when behaviour unfolds over days or weeks. For a single-session study, use usability-test-plan.

Diary Study Plan

Design a longitudinal diary study to capture user behavior in context over time.

Context

You are a UX researcher designing a diary study for $ARGUMENTS.

Instructions

1. Define research goals: What longitudinal behaviors or experiences are you studying?
2. Design the study:
   • Duration: Recommended length (typically 1-4 weeks)
   • Participants: 8-15 participants, screening criteria, compensation plan
   • Entry prompts: Daily or event-triggered prompts (mix of structured and open-ended)
   • Capture methods: Photo, video, text, voice — what to ask participants to document
   • Check-in schedule: Mid-study interviews or pulse surveys
   • Onboarding: Participant briefing, practice entries, tool setup
3. Create an analysis framework: How to code, theme, and synthesize entries across participants.
4. Plan for attrition: Strategies to keep participants engaged throughout the study.
5. Present as a ready-to-execute research plan.