Common, normal reasons a provider may decline an application and what to do next.
Researchers often need a limited mix of ages, locations or behaviours. A suitable participant can still arrive after a segment closes.
A rejection usually reflects the study design rather than the quality of your answers.
Keep applying to well-matched opportunities and maintain an accurate profile instead of trying to force eligibility.
Practical ways to improve application quality without guessing what a researcher wants.
Read guideA clear explanation of the short eligibility questionnaire used before many research studies.
Read guideUnderstand survey screen-outs, full quotas and submission statuses. Learn what to record, when to contact the provider and how to answer accurately.
Read guideExplore current public study previews. Provider details and application links require a paid plan; selection remains the provider’s decision.