Keywords: Questionnaire, reliability, social and health, validity How to cite this URL: Bolarinwa OA.
Principles and methods of validity and reliability testing of questionnaires used in social and health science researches.
Correspondence Address: Oladimeji Akeem Bolarinwa From the Department of Epidemiology and Community Health, University of Ilorin and University of Ilorin Teaching Hospital, Ilorin Nigeria Source of Support: None, Conflict of Interest: None The importance of measuring the accuracy and consistency of research instruments (especially questionnaires) known as validity and reliability, respectively, have been documented in several studies, but their measure is not commonly carried out among health and social science researchers in developing countries.
This has been linked to the dearth of knowledge of these tests.
Face validity is often said to be very casual, soft and many researchers do not consider this as an active measure of validity.