Validation of the Persian version of the Dundee Ready Educational Environment Measure (DREEM)

Ranking of university and credibility of programs and educational institution have been focused recently. Therefore، designers try to reach educational programs to desirable standard for every teaching and learning process. By considering importance of educational environment it can be as a tool for evaluting educational quality. The purpose of this study is to determine the reliability and validity of measuring tools of Dundee educational environment. This study is classified as exploratory research. The statistical population of the research constitute 350 medical students of Guilan University of medical sciences and Islamic Azad University of Tonekabon in which they are studying at the second semester of the academic year 1390-91. The tools of measuring educational environment of DREEM is a questionnaire containing 50 questions on a five- item Likert type (0-4)، in five domains (ranging from 0 to 200 points). The coefficient difficulty، Discrimination coefficient، and Factor analysis method was used to calculate the reliability at the result of psychometric properties threads، and to examine the validity، the Cronbach''s alpha coefficient was used. Data were analyzed using Lisrel and SPSS software. The result showed that the points were in five domains of 127. 53 at the total 200 points. Validity of the test was evaluated by Cronbach''s alpha (0. 933). Validity of the test with KMO equal to 0. 910، and the Bartlett 60936. 37 that even beyond the level of p=0. 001 is Statistically meaningful. meanwhile، the five-multiple choice question have been with the 95 percent certainty between the 2. 38 and 2. 46 points. And the Standard deviation is 23. 91. Finally، due to the obtained result of the reliability and validity، measurement tools of educational environment were approved.