The Working Approach
Diary Study Plan is for research over days or weeks. It connects the research question to a study duration, participant criteria, daily or event-triggered prompts, and a practical capture method.
The source includes onboarding, practice entries, check-ins, analysis, and attrition planning. Those operational details matter because a diary study depends on sustained participation. Suggested durations and sample sizes are starting ranges, not evidence that one schedule fits every behavior.
Expected Deliverables
- A longitudinal study protocol
- Participant prompts and onboarding instructions
- A coding framework and engagement plan
From Brief to Review
- 01Define the Longitudinal Question
Identify what changes over time and why a single session would miss it.
- 02Design Entry Capture
Choose daily or event-triggered prompts and appropriate text, photo, video, or voice input.
- 03Plan Support and Analysis
Schedule check-ins, prepare practice entries, and explain coding across participants and missing entries.