Individuals who buy lottery tickets on a regular basis are usually on a __________ schedule of reinforcement
a. variable-ratio c. fixed-interval
b. variable-interval d. fixed-ratio
A
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The primary effect of __________ is to block the presynaptic dopamine transporter, increasing the availability of dopamine in the synapse.
A. alcohol B. tobacco C. LSD D. cocaine
Decreases in one measure are matched by decreases in the other measure in a
a. nonexistent relationship. b. positive correlation. c. negative correlation. d. zero correlation.
IUD use in the United States during the last ten years has
A) dropped dramatically. B) dropped slightly. C) increased slightly. D) tripled.
More recent estimates of short-term memory capacity are 3 + 1 instead of the 7 + 2 suggested by Miller. The newer estimates are lower because they take into account _________________
a. technology c. motivation b. strategies d. cohort effects