Which of the following is MOST closely linked to aggression?

Children who are younger than middle childhood find passive tense construction difficult

because it violates the a. subject-verb-object pattern. b. rules of grammar. c. manner in which most teachers speak. d. usual pronunciation patterns.

Unlike psychoactive substance abuse, psychoactive substance dependence usually involves

a. physiological symptoms such as tolerance and withdrawal. b. continued use despite social and occupational problems. c. pathological use of the substance. d. the use of substances that laws prohibit one from buying or using.