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`.
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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.
