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Participant guide11 August 20265 min read

Why you do not always qualify for a study: screening, quotas and your respondent profile

Respondents taking part in a moderated market-research discussion

Screening checks fit with one particular research brief

Every study starts with a question the client wants to explore and a definition of the people whose experience is relevant. A screener checks that fit before a session is confirmed. It may ask about country, age range, work, products used, purchasing responsibility, health experience, language, technology or previous participation.

The questions are not a general test of whether someone is a good respondent. They help the project team assemble the specific mix of people required for that study.

Quotas can close even when your profile fits

Research projects often divide the sample into quotas. A study might need a defined number of people in different age groups, countries, professions, experience levels or patterns of product use. Once one quota is full, another person with the same profile may no longer be needed even though their answers are valid.

Timing also matters. Several suitable people can apply before the project team completes its review. Qualification is therefore not always first come, first served, and an invitation to screen is not the same as a confirmed session.

Common reasons an application may not progress

The exact reason may remain confidential because revealing every criterion could influence later answers. In most cases, however, the decision reflects project design rather than a judgment about the person applying.

  • A required characteristic or experience does not match the brief.
  • The relevant quota has already been filled or the project has reached capacity.
  • The available session times do not match the study schedule.
  • Previous participation, employment or another relationship creates a conflict for that project.
  • Answers are incomplete, inconsistent with the profile or cannot be verified where verification is required.
  • The client changes the sample, timeline or scope before recruitment is complete.

Accuracy helps more than trying to guess the desired answer

Keep your profile current and answer screeners honestly. Trying to infer the qualifying answer can place you in a session where your real experience is not relevant, waste your time and undermine the quality of the research. Contradictory information can also make it harder to verify your eligibility for future projects.

Add useful profile details, update changes in work or household circumstances and respond promptly when a genuinely relevant invitation arrives. None of these steps guarantees qualification, but they make matching more accurate.

What happens after a screener

Depending on the project, the recruitment team may review the answers, confirm one or two details, check availability and then offer a session. You should treat participation as confirmed only when you receive a clear confirmation with the practical arrangements.

If you do not qualify, the platform may record the application outcome so the project is not offered repeatedly and so future matching can improve. Personal data should be handled according to the applicable privacy information and the consents you have provided.

Keep your respondent profile accurate

A complete, truthful profile helps Interviewly identify projects that may be relevant to you. You still choose whether to apply to each opportunity.

Learn about joining as a respondent

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