In studying the correlation between the amount of time children watch violence on television and children's levels of aggressiveness, researchers found that a lack of adult supervision could be a third variable. To control for the third variable, researchers observed children who experienced different amounts of supervision. They made sure that for every child observed who watched a lot of
violence on television and was supervised X% of the time, they also observed another child who did not watch a lot of violence on television and was supervised X% of the time. This method is called:
A) third-variable correlation.
B) matched samples.
C) matched pairs.
D) manipulation.
C) matched pairs.
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Which of these controls activity of the heart and other organs?
a. Hippocampus b. Occipital cortex c. Corpus callosum d. Autonomic nervous system
A clinician who uses research to select the most effective form of treatment is practicing _________________ psychotherapy
a. eclectic b. outcome based c. evidence-based d. epidemiological
The amino acid, glycine, provides a possible co-treatment for schizophrenia because it ____
a. can be chemically converted into dopamine b. increases the effectiveness of glutamate c. decreases the effectiveness of glutamate d. increases the growth and division of glia cells
The most effective strategy for encouraging cooperation in experimental games is:
a. an unconditionally tough strategy b. a fixed strategy c. a tit-for-tat strategy d. a static strategy e. an unconditionally cooperative strategy