Norton, P. J., & Robinson, C. M. (2010). Development and evaluation of the anxiety disorder diagnostic questionnaire. Cognitive Behaviour Therapy, 39, 137-149.
Primary use / Purpose:
The ADDQ was constructed as a screening tool for the presence of clinical fear and anxiety independent of diagnoses, in both clinical and nonclinical populations.
Support for the psychometric validity of the ADDQ is presented (Norton & Robinson, 2010).