Which of these has the strongest relation to self-rated happiness?

Suppose that researchers want to determine whether young college students have stereotypes about elderly people. An implicit measure of stereotyping would be better than an explicit measure because

a. an implicit measure would be less influenced by people's tendency to supply a socially appropriate answer. b. the norms are more accurate if they are based on implicit measures. c. people's schemas would have greater influence on implicit measures. d. the pragmatic view of memory would interfere with an explicit measure.

In order to be useful, a psychological test must be reliable; that is, it must

a. measure what it is designed to measure. b. compare results against established standards of performance. c. produce the same results from one time to the next. d. predict other criteria of the trait in question.