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Survey Sphere

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Practical thinking on research participation.

No fabricated case studies or invented statistics -- just how we think about recruitment, eligibility, and research infrastructure.

Participant Recruitment · August 8, 2026

What actually makes a participant "qualified" for a study

Qualification isn’t a single yes/no gate. It’s a set of requirements specific to what your study is actually trying to learn -- and getting it wrong in either direction costs you.