AAPOR is one of the few survey research organizations in the world that maintains integrity and ongoing research around valid survey methodology, including explicit standards around reporting non-probability samples.
Its ground-breaking Task Force on Non-probability Sampling established the firm distinction between probability-based sampling and non-probability sampling. Most other industry associations blur this distinction.
“AAPOR has long maintained reporting margin of sampling error with opt-in or self-identified samples is misleading.”
All members of the Modus team are also members of AAPOR. We adhere to AAPOR’s Code of Professional Ethics and Practices.
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