According to an experiment in which subjects were required to count backwards after hearing a nonsense syllable,
it was found that, without rehearsal, information in short-term memory will fade to zero after a delay of
__________ seconds.
a. six to eight
b. 12 to 18
c. 30 to 45
d. 60 to 90
ANSWER: b
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Thinking that you will become president despite dropping out of high school is one example of
a. arbitrary inference. b. selective abstraction. c. minimalization. d. overgeneralization.
The common factor among psychoactive drugs may be
a. their ability to activate the "pleasure pathways" of the brain. b. the ease of obtaining them and the relatively inexpensive cost. c. the similar way in which they are metabolized in the body. d. their identical effect on neurotransmitters at the synapse.
About 40% of children living in ______ households are poor.
A. two-parent B. cohabiting C. same-sex parented D. single-parent
Piaget asserted that the transition between concrete operations and formal operations occurs
a. for fewer than half of all teenagers. b. quickly, within weeks. c. gradually, over an interval of several months. d. slowly, over an interval of years.