The System of Belief Inventory: A Validation Study in Turkish Cancer Patients.

This study was conducted with the purpose of assessing validity and reliability of the System of belief inventory, which was developed to evaluate the System of belief inventory of cancer patients in Turkish society. In the present study, the result of the KMO test was determined to be 0.71, and that of Bartlett's test was 988.269; both tests were observed to be significant at p < 0.001. The Cronbach α reliability coefficient of the System of belief inventory was determined to be 0.98, and the α values of the System of belief inventory subgroups were 0.98-0.93.