A 29-year-old man presents to the PMHNP with a chief complaint of "anxiety related to chronic disorganization." He reports that ever since he was a child, he has had issues with disorganization, inattentiveness, forgetfulness, lack of attention to details. He says these symptoms cause him great anxiety. He says his teachers wanted him to be evaluated for attention deficit-hyperactivity disorder as a child, but his parents refused because he did not have behavioral problems. Which of the following is the most appropriate assessment tool for this client?