Arab Educational Information Network

The study aimed at developing a religiosity scale among university students based on rating scale model in item response theory. The sample of the study consisted of (2454) male and female students at Jordanian universities. The sample of the study and items were verified by using Rating Scale Model, Unidimensionality, Local Independence, Item characteristics curve and speediness of the assumptions of Item Response Theory of the scale were verified. Validity and reliability of the scale were acceptable. The validity value of the correlation value between the performance on the scale and the performance on the resistance to temptation which was prepared by (AlTarawneh, 2010) was (0.87) which was significant at (α=0.01). Reliability of person also was (0.843) which means that the sample of the study was able to distinguish between the items of the scale. Reliability concerning the test items also was (0.834) which means that the items of the scale were able to distinguish between the respondents. The study recommended using the developed scale in the institutional and educational institutions. (Published abstract)