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Connecting Prolific lets you recruit participants for a running study without leaving Massive Research Lab.

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Connect

Go to Settings → recruitment connections and paste your Prolific access token. The connection is stored encrypted per workspace.

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Recruit

From a study’s Run stage (with recruitment open so the participant link is live):
  1. Choose recruit on Prolific.
  2. Set the title, description, target N, reward, and eligibility (country, language).
  3. Optionally restrict to or exclude a saved panel of participants.
  4. MRL creates and publishes the Prolific study, pointing it at your live /take link.

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During and after

  • Submissions reconcile back into MRL so you can see counts + completion against your target.
  • Stop the provider study from the Run stage when you’ve collected enough; completions and refusals route participants back to Prolific correctly.
Only opaque participant IDs are stored — no Prolific PII enters your dataset (see our PII discipline).