A child receives a dime for, on average, every 5 dandelions he pulls from the yard. This is an example of a schedule of reinforcement
a. fixed ratio
b. variable ratio c. fixed interval
d. variable interval
e. continuous reinforcement
b
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What has been associated with high levels of aggression?
a. low levels of serotonin b. high levels of serotonin c. low levels of dopamine d. high levels of dopamine
The multicategory goodness-of-fit case for chi-square is
a. a simple extension of the two-category case. b. a way of comparing more that two categories. c. a common situation. d. all of the above
When Stanley is afraid of meeting a woman, he finds an excuse to run off by himself. The immediate effect of running away is to make him feel less anxious and more at ease. Stanley's behavior illustrates the ____
a. role of negative reinforcers in avoidance behavior b. fact that shaping can result in maladjusted behavior c. role of partial reinforcement in abnormal behavior d. power of positive reinforcement
Regarding the rate of occurrence of schizophrenia, what proportion of the population will have schizophrenia in any given year?
a. one in 100 b. one in 1,000 c. one in 5,000 d. one in 10,000