---
name: diary-study-plan
description: Design a diary study plan with prompts, duration, participant criteria, and analysis framework. Use when you need to understand user behavior over time in natural contexts.
---

# 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.