When teaching a dog a trick, we use treats as
A) a secondary reinforcement to operant conditioning.
B) a neutral stimulus in classical conditioning.
C) a positive reinforcement to operant conditioning.
D) part of the response chain.
Answer: C) a positive reinforcement to operant conditioning.
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In a developmental systems framework, the increasing stability of temperament over time is likely due to __________.
A. influences from both mothers and fathers B. increases in genetic influences only C. increases in environmental influences only D. joint influences of genes and environment that increase over time
All other things being equal, one study will have more power than another study if
a. it has more subjects. b. it controls error variance better. c. it compares groups that are more extreme. d. all of the above
A researcher is interested in how some aspects of mental illness appear to be the result of reward learning. Which RDoC domain does this research BEST fit?
A) cognitive systems B) systems for social processes C) positive valence systems D) arousal and regulatory systems
Which of the following is a limitation of measuring brain activity by ERP (event-related potential)?
Much of the activity that occurs in the brain occurs at a depth not measurable by the procedure. Many people have allergic reactions to the dye that is injected during the procedure. Because of the hyperactivity of infants, it is extremely difficult to interpret the results of the test. While it signifies that perception has occurred, interpretation of the measurement is not straight-forward.