# Principles and methods of validity and reliability testing of questionnaires used in social and health science researches

> Research article (Nigerian Postgraduate Medical Journal, 2015) · cited 1,155× · AI/ML

**Wikidata**: [openalex:W2342268576](https://www.wikidata.org/wiki/openalex:W2342268576)  
**Source**: https://4ort.xyz/entity/principles-and-methods-of-validity-and-reliability-testing-of-questionnaires-used-in-social-and-health-science-researche