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Recontact Respondents lets you reach eligible respondents from a prior study for follow-up questions. Only specified RDUDs are allowed to participate. This feature is separate from sample exclusions, which block prior participants from entering.

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Finding RDUDs to target

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From Research Desk

  1. Open the original project that collected the respondents you want to recontact
  2. Export the Traffic Report
  3. Filter to the desired respondents
  4. Copy the list of RDUDs

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From your survey platform

  1. Confirm the variable that captured [%RDUD%] from the survey URL
  2. Export respondent data including that variable
  3. Filter to the desired respondents
  4. Copy the list of RDUDs

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Configuring recontact targeting

  1. Open the Qualifications panel in your new source
  2. Search for Recontact or scroll to Advanced Recruitment Methodology
  3. Select Recontact Respondents
  4. Paste your RDUD list
  5. Click RDUD Lookup to validate eligibility

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RDUD lookup statuses

  1. Confirm the eligible count and launch when ready

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Passing the original RDUD (ORDUD)

You must always pass a new RDUD on the entry link, even when recontacting. To link back to the original session, also pass the original RDUD as ORDUD. Example entry link:
On Decipher, you might capture ORDUD as a separate embedded data field from the recontact qualification.

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Post-field verification

The traffic report for a recontact study includes an ORDUD column, making it easy to match responses across surveys even if ORDUD was not passed in the survey URL.