Simplify the following text for a Grade 10 native English-speaking person.
Original: The severity of BDD was assessed using the Yaleâ `` Brown Obsessive Compulsive Scale modified for BDD , and symptoms were assessed using a Body Dysmorphic Disorder Examination Sheet .
Simplified: 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 .