FOR DIARY STUDIES

Recruit participants for longitudinal research

Recruit verified participants for diary studies on-demand from our panel of 4M+ verified consumers and professionals across 150 countries.

  • First qualified match in 15 minutes
  • B2B & consumer participants
  • <1% fraud rate
Social Media Manager × Lawyer × Doctor × Nurse × Architect × Engineer × Social Worker × Marketer × Teacher × Consultant ×
Housewife × Manager × CEO CEO × Market Researcher × Designer × Software Developer × Chief Operating Officer × Entrepreneur × Project Manager × Professor ×
Analyst × Marketing Manager × Banker × Photographer × Researcher × Sales Representative Sales Representative × HR Assistant × Data Scientist × Journalist × Graphic Designer ×
Customer Support Representative × Client Success Client Success × Dancer × Actor/Model × Accountant × Financial Analyst × Recruiter × Therapist × Dentist × Real Estate Agent ×

Trusted by the world’s best research teams

Participants for every type of diary study

One panel, ready for every longitudinal method. Find quality participants for experience tracking, journey mapping, behavioral studies, and beyond. It’s never been simpler to hear from the same participants more than once.

Experience Diaries

Recruit verified participants to document experiences over time. Then send them to your research tools via integrations to track product usage, daily routines, or behavioral patterns through text, photo, or video entries.

Customer Journey Mapping

Find participants to record their journey through processes, purchases, or life events. Capture authentic moments and decision points as they happen in real-time across days or weeks. We’ll handle paying participants at the end of the research study.

Longitudinal Behavior Studies

Source participants for extended behavioral research. Study habit formation, product adoption, or long-term patterns through scheduled diary prompts over weeks or months. Ultra-flexible to fit your research needs.

From targeting participants to paying them, manage it all in one place

Respondent handles the full workflow for running diary studies so participants can record entries over time while you track engagement and completion.

Step 1

Match

Tell us who you need. We'll find verified participants from our global panel of 4M+ people willing to commit to multi-day studies.

Step 2

Screen & Sign NDA

Build a custom screener with skip logic and disqualifiers to zero in on great-fit participants who can commit to your timeline.

Step 3

Schedule

Review verified profiles and screener responses, pick your participants, and share study instructions and schedules.

Step 4

Research

Participants complete diary entries over days or weeks following your directions and schedule. Track engagement throughout the study period.

Step 5

Pay

Mark diary study as complete once all entries are submitted and we'll handle paying out incentives for their time commitment.

“We tested out a few platforms and quickly realized that Respondent was getting us good people fast. That's frankly all we need.”

John Whaley, Director, Research and Testing - Instrument
100% PROPRIETARY PANEL

Source committed participants for longitudinal research

We've built and verified our panel for studies that require reliable, repeat participation over days or weeks.

Hyper-targeted recruiting

Filter by job title, skills, industry, experience level, demographics, and many more attributes to reach exactly who you need.

Custom screening

Build screeners with qualifying and disqualifying questions plus skip logic. Preview before launching to ensure you're recruiting the right people.

Verified profiles

All participants are verified by phone number and, for professional studies, by work email.

Participant quality guaranteed

Only pay for completed diary studies with participants that represent themselves accurately and follow through on commitments. Our fraud rate is always below 1%.

SCREENING AND SELECTION

Screen and hand-pick theright participants

Our screener builder and participant profiles give you full control over who joins your longitudinal study.

Smart screener questions

Use a range of qualifying, disqualifying, and open-ended questions with skip logic to filter any audience.

Researcher selects participants

You have the final say. Review screener responses, check verified profiles, and pick the participants that best fit your study and demonstrate commitment capability.

Participation history

See every panelist's study history and completion rate, making it clear you're recruiting participants who follow through on multi-day commitments.

Try Respondent for your next diary study

Researchers typically get matched with their first participant in 15 minutes

Integrations

From diary platforms to incentive payouts, Respondent handles the logistics so you can focus on longitudinal insights.

Email Visibility

Participants opt-in to share their email address. Track diary completion across platforms by matching emails with diary entries and submissions throughout the study period.

Multi-Day Tracking

Monitor participant engagement throughout the study period. See who's submitting entries on schedule and who may need reminders to stay on track with diary prompts.

Automated Payouts

Set your incentive amount upfront. Mark diary studies as complete once all entries are submitted and we'll pay participants via Tremendous for their time commitment.

PARTICIPANT QUALITY

Preventing fraud is our top priority

We take advanced measures to keep fraudulent participants out of our panel and your research projects.

4M+
Verified participants
< 1%
Reported Fraud
4.9/5
Average participant rating
> 95%
Show rate

Customer Success Stories

Rated 4.6 from 400+ reviews on G2.com

Katie Henslee

Consultant, Deloitte

What I love about Respondent is that I can publish a study on Sunday at 2pm and within three hours, I've got 40 candidates.

Taylor Jennings

Lead UX Researcher - Chili Piper

Respondent helps me easily find the exactly-right participants for my projects. Further, it works for any type of research project with any kind of participant.

Jacqueline Jordan

GVP, Research at Huge

The participants have been who they say they are, we can verify them, and they're super responsive. Respondent has helped us do better research and be better researchers.

Find your first research participant in 15 minutes

Respondent is the fastest way to recruit, screen, and pay research participants - all in the same place