Which schedule of reinforcement reinforces the first correct response after a constant interval of time has elapsed?
a. fixed ratio
b. variable ratio
c. fixed interval
d. variable interval
c
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In transductive reasoning, a child assumes that
a. separate events have cause-effect relationships. b. others see the world in the same way the child does. c. when objects disappear, they no longer exist. d. environmental features, like rain and thunder, are made by people.
Wilcoxon's test for paired samples focuses on
a. the mean of the two samples. b. the sign of the difference scores. c. the relative magnitude of the difference scores. d. both b and c
Dreams are most vivid during
a. REM sleep. c. the hypnagogic state. b. NREM sleep. d. none of these.
Short-term habituation in Aplysia, lasting minutes to several hours, most likely results from
a. the temporary depletion of available neurotransmitter in the motor neuron serving the gill muscle b. the temporary depletion of available neurotransmitter in the presynaptic sensory neuron. c. fatigue in the muscles serving the gill. d. changes in NMDA glutamate receptors.