In discrimination training, the stimulus that signals the availability of reinforcement is symbolized as ______.
A. s–
B. s+
C. sd
D. s
C. sd
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What is a good method to extinguish an avoidance response, and also to treat phobia? a. Present the feared stimulus and prevent the avoidance response
b. Prevent any contact with the feared stimulus for at least a week. c. Provide positive reinforcement for the avoidance response, on an interval schedule. d. Provide positive reinforcement for the avoidance response, on a ratio schedule.
In __________________________, a specified amount of a reinforcer is removed contingent on the occurrence of the problem behavior
Fill in the blank(s) with correct word
In a two-way ANOVA, the main effect of a factor is the
a. extent to which its effect depends on the action of the other factor. b. extent to which the factor produces dependent variable scores different from those the other factor produced. c. effect of changing the levels of the factor on the dependent variable scores, ignoring all other factors in the study. d. effect of changing the levels of the factor on the dependent variable scores, taking into account all other factors in the study.
Neurogenesis in adulthood
A. does not appear to occur in humans. B. may protect the brain from the effects of stress. C. only occurs in telomeres, the tips at the end of chromosomes. D. is negatively correlated with levels of physical activity.