Ryan is an 11-year-old child who loves to arrange his room a…

Ryan is an 11-year-old child who loves to arrange his room and put all his things in order. If that has already been done, he sets about cleaning it all over again, never seeming to tire of it. His parents have a hard time convincing him that his room is indeed clean and ordered. Ryan’s condition is most indicative of ________ disorder.

Isabel is a five-year-old kindergarten student who is often…

Isabel is a five-year-old kindergarten student who is often seen fidgeting in her chair and blurts out whatever she is thinking. Her teacher regularly must ask her to be quiet and stop disrupting others. She is very restless in school and makes careless mistakes. All of these symptoms suggest that Isabel suffers from: