In children of average intelligence, the prefrontal cortex is relatively thick at age 7, and then
A. remains the same over the middle childhood period, as it was when the child was younger.
B. peaks in thickness by age 12 for all children regardless of intelligence.
C. gradually increases in thickness as brain connections are increased.
D. peaks in thickness at about age 8 for typical children but peaks at 11 to 12 years for highly intelligent children.
Answer: D
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Extinction of the problem behavior is a component of the DRO procedure
a. True b. False Indicate whether the statement is true or false
The research by Ericsson and colleagues (1980) examined the ability of a college student to achieve amazing feats of memory by having him remember strings of random digits that were recited to him. They found that this student used his experience with running times to help him retain these strings of numbers. The significance of this finding was that
a. experts show larger primacy and recency effects than beginners. b. knowledge in an area of expertise increases a person's digit span. c. expertise with some material reduces susceptibility to proactive interference with that material. d. chunking requires knowledge of familiar patterns or concepts.
Hull’s theory can be seen as an elaboration of the “O” in ____ S-O-R conception of psychology.
a. Watson’s b. Pavlov’s c. James’s d. Woodworth’s
Studies done by Ekman and others indicate that
a. many human facial expressions might be considered universal b. human facial expressions vary from culture to culture around the world c. facial expressions are not important for communication among humans d. appeasement gestures help initiate violent or aggressive behaviors between people