The independent variable in an experiment is
a. the subject him or herself.
b. a measure of the subject's behavior.
c. the variable that the experimenter chooses to manipulate.
d. any unwanted variable that may adversely affect the subject's performance.
C
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Kyler is nine years old and likes to draw and paint. However, he doesn't receive very good grades on his art projects, and his friends often laugh at the pictures Kyler has created. Based on Erikson's theory, it is likely that Kyler will develop
a. feelings of guilt. b. feelings of inferiority. c. a sense of despair. d. a sense of industry.
Endorphins __________.
A. have been found to play a role in ending drug use B. are opium-like substances produced by the body C. are opium-like substances created synthetically to replace heroin D. are overproduced in the brains of addicts
Liam makes "to do" lists and carefully plans his schedule. He is trying to reduce stress through:
a. abdominal breathing b. progressive muscle relaxation c. meditation d. time management
A test is said to be reliable if _____
a) a person's score on a test is pretty much the same every time he or she takes it. b) it contains an adequate sample of the skills it is supposed to measure. c) its results agree with a more direct measure of what the test is designed to predict. d) it is culture-fair.