Hamilton anxiety rating scale (HAM-A) is a clinicianrated scale that included 14 items and each item was associated with specific anxiety symptoms. The reliability and concurrent validity of this scale were reported to be sufficient (Maier, Buller, Philipp, & Heuser, 1988). This scale is considered as an original questionnaire in evaluating anxiety with great validity. The test-retest reliability of this questionnaire was reported to be 0.81 in an Iranian sample (Salmani, Hasani, Mohammad-Khani, & Karami, 2014).
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