The common effects of amphetamines are ________
a. wakefulness, alertness, raised metabolism, and elevated mood.
b. euphoria, increased appetite, and reduced ability to store new memories.
c. mood variation from alertness to calmness depending on mental set, setting, and prior arousal.
d. sedation, reduced anxiety, and reduced tension.
Answer: a
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According to the stereotypes about motherhood,
a. mothers know very little about taking care of babies. b. women who are mothers are asexual and not interested in taking care of their husbands' needs. c. a woman experiences complete fulfillment when she becomes a mother. d. fathers are really more competent than mothers in the area of child care.
Regarding animal communication, both trained and in the wild, which of the following statements is FALSE?
a. The cries, gestures, and mating calls of animals have broad meanings immediately understood by other animals of the same species. b. Animal communication can be classified as a language because it is productive. c. Numerous chimps and gorillas, as well as an assortment of dolphins, sea lions, and parrots, have been taught to communicate with word symbols of various kinds. d. A pygmy chimpanzee named Kanzi can create primitive sentences several words long using lexigrams and can understand about 650 spoken sentences.
The numerator of the t score formula for the independent-samples t-test is ________.
A. mean of the difference scores B. difference of the means C. variance between groups D. variance within groups
____ is a proper pairing between an individual's temperament and environmental demands
a. Social referencing b. Temperament c. Attachment d. Goodness-of-fit