Which of the following is a common problem with survey research?

a. Not enough people agree to answer the survey questions.
b. Many people express unconsidered or ill-informed opinions.
c. Most surveys have too many independent variables

Among patients who respond positively to antidepressant medication,

a. improvement usually occurs within four to six weeks. b. side effects usually force them to terminate early. c. improvement usually occurs almost immediately. d. side effects are almost never a problem.

The Rorschach ink blot test is an example of projective personality tests.

a. true b. false