Sometimes a sample of research participants consists of several smaller groups that are different from one another in critical ways. A correlation coefficient in this situation would be lower than if the sample consisted of similar people

This illustrates the problem of
a. restricted range.
b. heterogeneous subgroups.
c. a third variable.
d. directionality.


B

Psychology

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When one changes from passive learning to active, goal-oriented learning, he or she is engaged in

a. massed practice. b. experiential recitation. c. self-regulated learning. d. classical conditioning.

Psychology

Research indicates that serotonin is important in anxiety disorders. Partial evidence for this is found in biochemical challenge studies in which

A) participants' serotonin levels are manipulated and their anxiety levels monitored. B) serotonin levels are monitored to examine how decreased levels are related to decreased anxiety. C) patients with anxiety disorders are studied by examining their lack of ability to produce serotonin in response to a threat. D) participants with anxiety disorders are presented with feared objects and their serotonin levels monitored.

Psychology

The ability to deal adaptively with novel situations and problems is known as

a. analytic ability. b. practical ability. c. contextual ability. d. creative ability.

Psychology

Sternberg’s triarchic theory of intelligence is made up of the following parts: __________, __________, and __________

a) componential; experiential; contextual b) fluid; crystallized; general c) analysis; correlation; adaptive d) interpersonal; intrapersonal; social

Psychology