True experiments have two key features that make them different from other studies. First, in a true experiment, the researcher manipulates (varies) one or more independent variables. Second, the researcher makes use of _____
a. statistical testing
b. random assignment
c. interactions
d. priming
B
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Studies have shown that children of same-sex parents
Rather than identifying the structures of mental ability, as the ________ did, ________ have focused on describing the mental processes necessary to accomplish different types of tasks
a. cognitive theorists; developmental theorists b. psychometricians; information-processing theorists c. information-processing theorists; psychometricians d. developmental theorists; cognitive theorists
About one-__________ of African Americans, Native Americans, and Hispanic Americans live in poverty
a) eighth b) quarter c) third d) half
Which of the following is important for the acquisition of complex behaviors?
A. As a person becomes proficient in a new complex behavior, control of the process is transferred to the basal ganglia. B. As a person becomes proficient in the behavior, control of the process is transferred to the transcortical pathways. C. As a person becomes proficient in the new behavior, the transcortical circuits become more active. D. Acquisition of the behavior is accompanied by long-term depression in the motor cortex.