How to Use Completion Codes
Give respondents proof of completion for panel systems.
The Short Version
Give respondents proof of completion for panel systems. A practical way to begin is to open survey settings, then add a completion message or code. Finish by making sure you confirm the code appears after final submission. The full walkthrough below explains each part in order.
Is This Guide for You?
Researchers using Prolific, MTurk, course credit pools, or vendor panels.
Follow These Steps
Work through these 5 steps at your own pace. The wording is intentionally practical, and you can return to the checklist at the end when you are ready to review your work.
- Open survey settings.
- Add a completion message or code.
- Use a redirect URL if your panel requires it.
- Pilot the completion page.
- Confirm the code appears after final submission.
What This Helps You Accomplish
Completion handling prevents unpaid respondent disputes and makes reconciliation with panel systems easier.
A Quick Confidence Check
- Keep codes short.
- Pilot with one or two test completions.
- Record the completion text in the study archive.
Common Questions
Can I use this guide if I am new to this?
Yes. Researchers using Prolific, MTurk, course credit pools, or vendor panels. Follow the steps in order, start with a small test, and use the final checklist before you field or report anything important.
What is the simplest way to get started?
Begin by open survey settings. Next, add a completion message or code. You do not need to perfect every setting before running a small preview or pilot.
How do I know when I am ready?
Use the confidence check above. In particular: Keep codes short. Pilot with one or two test completions. Record the completion text in the study archive. When the decision is consequential, keep your study documentation and ask a qualified colleague or methods reviewer to examine the design as well.
Related Guides
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