A diary study helps you see the world through your users’ eyes. By letting participants record their daily activities, emotions, and challenges over time, you gain valuable insights into their real-life experiences.
But are you also wondering how to conduct a diary study?
This guide is your step-by-step guide to success. From planning and templates to tools and analysis techniques, you'll learn how to turn daily user logs into powerful product insights.
How to conduct a diary study: 5 steps
To get the best insights from a diary study, you need a structured approach. Here’s a step-by-step guide to ensure your study runs smoothly and delivers valuable results.
1. Planning Your Diary Study
Your goal shapes everything else in your study design. Whether you're planning an in-person or remote diary study, your key planning decisions need to cover:
- What do you want to learn?
- Maybe you want to see how people use your app throughout their day.
- Or you might want to understand how they shop for groceries.
Your goal shapes everything else in your study design. Your key planning decisions need to cover:
- Study length: 1-4 weeks works best. Two weeks hits the sweet spot - long enough to spot real patterns, short enough to keep people engaged. Nielsen Norman Group's research backs this up
- Writing frequency: 1-2 entries per day gets the best results. More entries lead to rushed writing and people giving up
- Recording tools: Phone apps work better than paper - 76% of people stick with digital tools throughout the study
- Number of participants: 8-12 people usually reveal enough patterns. With fewer, you might miss important insights. With more, you'll struggle to analyze all the data
- Entry format: Mix specific questions ("How many times did you use feature X?") with open ones ("What frustrated you today?") to catch both expected and surprise findings
Consider your participants' daily routines when planning. A study tracking morning routines needs different timing than one about weekend shopping habits. Map out exactly what you'll ask people to record and when.
2. Recruiting and onboarding participants
Finding the right people makes or breaks your study. Look for people who match your target users and can commit to regular writing. Research suggests that 10% of participants can drop out almost immediately after providing consent. Therefore, it’s important to recruit extra. If you need 10 people to finish, start with 12-13.
Your onboarding session needs these essential steps:
- Run a practice session: Have people write their first entry while you watch. This catches confusion early
- Show clear examples: Share what great, good, and poor entries look like. People learn better from concrete examples
- Define clear triggers: Tell people exactly when they should write - like "every time you open the app" or "right after your morning coffee"
- Set up backup methods: Give people options like voice notes for times when typing isn't practical
- Finalize on a template: Select a a detailed but simple diary study template covering what to write, when to write, and how to handle common problems
3. Monitoring the Study
Active monitoring turns an okay diary study into a great one. Check entries every day for the first few days to catch and fix any confusion early. Your participants' first entries tell you if they understand what you're looking for.
Strong monitoring includes:
- Regular check-ins every 3-4 days with each participant
- Quick feedback on entry quality - praise good entries to reinforce what you want
- Gentle reminders when entries drop off, without making people feel guilty
- Tracking of entry quality and length to spot participant fatigue early
- Notes about external events (like holidays or big news) that might change how people act
- Documentation of any technical issues participants face with logging tools
Keep an eye out for these common issues:
- Entries getting shorter or less detailed over time
- People writing about what they think you want to hear
- Participants changing their behavior because they're being watched
- Missing entries during certain times of day or week
- Changes in writing style that might show decreased engagement
4. Debriefing Participants
The debrief turns raw diary entries into deep insights. Schedule these talks within a week after the study ends, while memories are fresh. Plan for a full hour with each person - you'll need it.
Structure your debrief to cover:
- Overall experience and challenges with keeping the diary
- Specific entries that need more context or explanation
- Patterns the participant noticed in their own behavior
- Things that surprised them about their habits
- Questions that came up while reviewing their entries
- Changes in their behavior or attitudes during the study
- Feedback on the study process itself
Strong debrief questions include:
- "Walk me through what was happening when you wrote this entry..."
- "You mentioned this problem three times - tell me more about that..."
- "How has your view of [product/activity] changed over these weeks?"
- "What did you want to write about but couldn't?"
- "Which entries best represent your typical experience?"
5. Analyzing the Data
A two-week study with 10 participants easily generates 140+ entries. Good analysis turns this mountain of data into clear insights. With the emergence of using AI for diary study analysis, researchers now have more powerful tools than ever to uncover patterns and insights. Here's how to tackle it::
First-pass organization:
- Sort entries by participant, date, and time
- Group similar activities or situations together
- Tag emotional reactions and intensity
- Mark entries that need more context from the debrief
- Identify gaps in the data that might affect your findings
Tools like Looppanel make this heavy lifting easier. Instead of drowning in spreadsheets, you can:
- Tag entries with multiple themes at once
- Pull out key quotes quickly
- Compare patterns across participants
- Generate clear visualizations for stakeholders
Look for these key patterns:
- Common triggers for specific behaviors
- Problems that show up repeatedly
- Differences between what people say and what they do
- Environmental factors that affect behavior
- Changes in behavior over time
- Unusual events that reveal underlying needs
Watch out for these analysis traps:
- Giving too much weight to dramatic but rare events
- Looking only for evidence that supports your existing theories
- Missing important context about where and when things happened
- Treating gaps in the data as if nothing happened then
- Overlooking differences between diary entries and debrief conversations
- Drawing conclusions from too few examples
The richest insights often come from combining diary entries with debrief conversations. What people write in the moment often differs from how they remember it later - and both views matter. Use the debriefs to fill gaps and explain patterns you see in the entries.
Your final analysis should tie back to your original research questions while remaining open to unexpected findings. Good diary studies often reveal important insights you weren't even looking for.
Using Looppanel for Diary Study Analysis
Traditional diary study analysis often means jumping between spreadsheets, documents, and recording tools. This scattered approach makes it hard to spot patterns and wastes time on organization instead of insight discovery. Modern diary study tools have made this process more efficient than ever. Looppanel changes this by bringing all your diary study data into one powerful analysis platform.
1. Centralizing Your Research Data
The first challenge in diary studies is managing the sheer volume of data. A two-week study creates hundreds of entries plus hours of debrief conversations and videos. Looppanel helps by creating a single source of truth for all this data. Upload your user research surveys into one project. The platform acts as a research repository and stores all your data in one place. It also automatically transcribes your debrief conversations, turning hours of recordings into searchable text that you can analyze alongside written diary entries.
2. Making Sense of Complex Patterns
Diary studies reveal behavior patterns, but these patterns often hide in plain sight. Looppanel's auto-tagging and transcript analysis helps you uncover them systematically.
For example, you might notice a participant mentioning frustration with your app's search feature. Tag this entry with "search problems" and "user frustration." As you work through more entries, you might find this same issue appearing across multiple participants at specific times of day.
Looppanel lets you quickly find all related instances, helping you understand both how often and in what contexts these problems occur.
3. Building a Research Knowledge Base
One often-overlooked benefit of diary studies is their value for future research. Looppanel helps you build a searchable knowledge base of user insights. This means:
- New team members can quickly get up to speed on user behavior patterns
- Future studies can build on past findings instead of starting from scratch
- Insights can be easily referenced when making product decisions
- Patterns can be tracked across multiple studies over time
4. Making Analysis More Efficient
The platform's automation features save significant time in analysis. Instead of manually transcribing, organizing, and coding data, researchers can focus on finding meaningful patterns. Features like auto-transcription, smart tagging, and quick filtering mean you can analyze more data in less time without sacrificing depth of insight.
For instance, if you want to understand how user behavior changes throughout the day, you can:
- Filter entries by time period with a few clicks
- Quickly scan auto-generated transcripts for relevant mentions
- Compare patterns across different users in the same time slots
- Create visual representations of behavior changes over time
Conclusion
Diary studies stand out as one of the most powerful tools in a researcher's toolkit. They bridge the gap between what users say they do and what they actually do. When done right, they provide the kind of deep, nuanced understanding of user behavior that can transform product decisions.
Ready to transform how you conduct diary studies? Looppanel makes it easy to organize, analyze, and share insights from your diary studies. From auto-transcription to powerful auto-tagging features, it's designed to help researchers uncover deeper insights faster. Book a demo today to learn more!