Which of the following is the tendency to make an operant response when stimuli previously associated with reward are present and to withhold the response when stimuli associated with nonreward are present?
a. latent learning
b. response chaining
c. operant stimulus discrimination
d. operant stimulus generalization
C
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Su Meck is known for her astonishing
a. anterograde amnesia. b. retrograde amnesia. c. explicit memory. d. implicit memory.
Regarding parentese, which of the following statements is FALSE?
a. By four months of age, babies prefer parentese over normal speech. b. When a baby is still babbling, parents tend to use long, adult-style sentences. c. Parents begin using parentese more frequently after the baby says its first word. d. The melodies, pauses, and inflections of parentese tend to differ from country to country and culture to culture.
When Courtney was 5 and her younger sister Jessica was 3, they got along well with each other. What would you expect their relationship to be like when Courtney is 12 and Jessica is 10?
a. they are likely to be more quarrelsome b. they are likely to be more competitive c. they are likely to continue to get along well together d. it is difficult to predict future relationships from past relationships
Which statement is correct regarding leptin?
A. Ob mice lack the gene that codes for ghrelin. B. Leptin produces a decrease in metabolic rate. C. Leptin stimulates eating. D. Leptin levels in the blood are maintained by fat cells in the body