highly significantP < 0.001
Therefore, a statistically highly significant and positive correlation found between the initial test and the re-test results in the test-re-test reliability analysis of the scale ( r = 0.99; P < 0.001). 3.4 Validity findings of the scale The findings regarding the content validity have been explained in the section titled development process. 3.4.1 Criterion validity The “Attitudes toward diabetes scale” (ATDS), which is a subgroup of the “Diabetes Care Profile” (DCP) scale, was used in order to evaluate the criterion validity of patient compliance with Type 2 DM treatment in the study.