Before Freud's work became well known, many people believed that behavior was
determined solely by
a. unconscious forces.
b. spirits and demons.
c. conscious processes.
d. the interaction of biological and environmental variables.
e. psychic energy.
c. conscious processes.
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In deductive theories, the definitions of the constructs in the hypotheses which must be stated clearly are called:
a. empirical definitions. b. operational definitions. c. literary definitions. d. conceptual definitions.
By selectively breeding pairs of maze "bright" and maze "dull" rats, Tryon
demonstrated a. the importance of parenting in trait expression. b. that the expression of a trait through selective breeding cannot be maintained indefinitely. c. that a trait can be manipulated to appear more or less often across succeeding generations. d. how to determine all of the variables that affect the expression of a trait. e. the reliability of concordance research in estimating heritability.
Children's understanding that objects and people can belong to more than one category at a time can be observed in their responses to
A) class inclusion problems. B) transivity problems. C) conservation problems. D) the three-mountains task.
If Krystal is like 21 percent of U.S. students, by twelfth grade she will __________.
A) smoke cigarettes regularly B) have engaged in heavy drinking during the past month C) have tried at least one highly addictive and toxic substance D) have moved from substance use to abuse