Input (grade 13): The severity of BDD was assessed using the Yale - Brown Obsessive Compulsive Scale modified for BDD, and symptoms were assessed using the Body Dysmorphic Disorder Examination.
Output (grade 11): How bad each person's BDD was, was assessed using the "Yale-Brown Obsessive Compulsive Scale", modified for BDD. Symptoms were assessed with the Body Dysmorphic Disorder Examination.