According to the ____________ hypothesis, we tend to pursue others we think are in about the same category as us in attractiveness as long as they reciprocate our interest

A newspaper headline heralds a finding that an excess of a particular brain chemical is the cause of a certain mental disorder. The article is not convincing to you. What potential flaw do you note in the report?

a. The chemical change could be due to other variables. b. Chemical changes cannot bring about changes in behavior. c. The genetic code associated with the chemical has not been identified. d. Such findings are very difficult to generalize to the entire population.

Elaine grimaces throughout the day and often imitates the words and movements of others. She is most likely displaying the _____ type of schizophrenia.

a. hebephrenic b. catatonic c. affective d. paranoid e. disorganized