A psychologist is conducting an experiment on the effects of brainstorming instruction on problem-solving creativity. Participants are randomly assigned to an instruction or a no-instruction group. The creativity of all participants' problem solutions is later assessed. In this experiment, solution creativity is the _____ variable.

The term crystallized intelligence refers to

A) the ability to deal with new problems and situations. B) changes in IQ that occur over time. C) cross-cultural differences in the meaning and measuring of intelligence. D) accumulation of information, skills, and strategies that people have learned through experience and that they can apply in problem-solving situations.

According to Marcia, which of the following four categories of identity development leads to the most psychological health, achievement motivation, and moral reasoning ability in adolescents?

a) identity diffusion b) identity foreclosure c) moratorium d) identity achievement