the survey of knowledge and practice of faculty members about validity and reliability of exams

introduction. measuring is the foundation of evaluation. the main way for evaluation of education progression is testing the exams and every test must have identity, validity, reliability and be easy to perform. more precision to preparing the exams can improve its validity. there are different ways for measuring validity and reliability in testing. do the faculty members know about these methods? and do they use various methods for validity and reliability? methods. present study is a cross-sectional descriptive study and its main objective was determining faculty members’ knowledge and practice about various methods of testing validity and reliability in exams. participants were 100 of faculty member in ahvaz medical university we sent them questionnaires and they returned only 70 questionnaires. results. 39 of the samples were male and the others were female. 80% of them knew about the content validity and 42.9% knew about split halves. 45.7% used content validity and 20% of them used test retest reliability in exams. conclusion. although the faculty members had knowledge about some methods for validity and reliability but just a few number of them used these methods.