Sarah lives in a wealthy neighborhood and attends a prestigious university nearby. She has grown up having access to a number of social and educational opportunities. Her health care providers are one of the best around and she has not had any serious medical concerns. Sarah is content with her life circumstances, she exhibits a good ______.

In a classroom debate, a student says that, because research has determined that IQ is highly heritable, the IQ differences found between different racial groups must be genetic. A proper response to this student's conclusion would be that

a. heritability that is based on an estimate within one group cannot be used to interpret differences between groups. b. racial differences in gene pools reflect the evolutionary pressures imposed by different environments. c. differences between groups do not occur when culturally-fair tests are used. d. heritability estimates that apply to one group apply to all groups.

Interviews with professional actors reveal that most memorize their lines by

A) rote. B) rehearsing the lines many times. C) breaking the script into "beats." D) focusing on the mechanics of speech.