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Pre-Test Sample Size for Questionnaires by dianafauziyyah is a document available to read on EtoBox.

What is Pre-Test Sample Size for Questionnaires about?

This document discusses sample sizes for pre-testing questionnaires. It finds that small sample sizes of 5-15 participants, which are commonly used, may fail to uncover problems. To have an 80% chance of detecting a problem with a 5% prevalence, a sample size of at least 32 is needed. The document recommends a default sample size of 30 participants for pre-testing to adequately detect misunderstandings or issues with questionnaire items. Larger sample sizes are needed to reliably detect problems at lower pr

Author

dianafauziyyah

Language

EN