Which of the following actions is a person most likely to take if he or she has a high level of self-discipline?
a. watching tv instead of exercising
b. avoiding recreational drugs instead of using them
c. going dancing instead of studying for a test
d. reading magazines all night instead of sleeping

Doctor a.d. aitchdey conducts research on childhood disorders. specifically, she wants to learn more about disorders in which the children's behaviors cause disruptions in their environments. her next project will focus on children with conduct disorder. in other words, doctor aitchdey's research is focusing on the category of childhood disorders.