Obsession Rating Scale
Select appropriate score
Note: Scores should reflect the composite effect of all the patient's obsessive compulsive symptoms. Rate the average occurrence of each item during the prior week up to and including the time of interview.
QUESTIONS ON OBSESSIONS (ITEMS 1-5)
"I am now going to ask you questions about the thoughts you cannot stop thinking about."
(Review for the informant(s) the Target Symptoms and refer to them while asking questions 1-5).