In the Friedrich and Stein study on the influence of television on aggression, the type of television show watched (aggressive, prosocial, or neutral) represented the ____ variable in the experiment
a. extraneous
b. dependent
c. independent
d. confounding
c
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Lucille is being tested to determine her ability to distinguish what she thinks from what she sees. She is shown an adult reaching for a ball that is in a basket and not in a box, but then watches as the ball is removed from the basket while the adult is not looking. When the adult reaches for the ball again, Lucille expects the adult to reach into the basket. This awareness of the adult's
beliefs about the location of the ball suggests the Lucille is at least ____ years of age. a. two b. three c. four d. five
In contrast to agonists, antagonists are drugs that
a. increase the availability of neurotransmitters. b. increase the effectiveness of neurotransmitters. c. block receptor sites. d. mimic the action of neurotransmitters. e. speed up the transmission of neural impulses.
Compared to younger couples, older married couples tend to be more similar in terms of mental and physical health
a. True b. False Indicate whether the statement is true or false
The cries of babies who are preterm or malnourished are
a. indistinguishable from cries of normal babies. b. paradoxically, more "normal sounding" than the cries of other infants. c. noticeably different than cries of normal infants. d. so bizarre that they are mistaken to be animal cries.