How do parallel fibers in the cerebellum control the duration of a response?
A. By determining the number of Purkinje cells that fire in sequence
B. By altering the velocity of action potentials from Purkinje cells
C. By determining which one of all the available Purkinje cells becomes active
D. By passing information back and forth between one Purkinje cell and another
Answer: B
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Which of the following is important to remember when using group tests?
a. Group tests typically lack validity and have other poorly defined psychometric qualities. b. Discrepancies in scores between group tests and other measures should be investigated. c. Because they lack the detailed standardization of individual tests, group tests should be used cautiously. d. Contrary to stereotype, group tests require considerable expertise to administer and score.
Research suggests that being a “night owl” versus being an “early bird” is ____
a. ?influenced by environment only b. ?influenced by genetics only c. ?influenced by genetics and environment d. ?an artificial distinction since there is no such thing as a “night owl” or “early bird”
A decrease in the effectiveness of a drug that is administered repeatedly is ______.
A. withdrawal B. tolerance C. addictiveness D. agonistic
In a comprehensive review of studies comparing clinical and statistical prediction, Grove et al. (2000) reported that
a. statistical prediction was superior to clinical prediction only when the judges were psychologists. b. statistical prediction was superior to clinical prediction only when the judges were physicians. c. statistical prediction was superior to clinical prediction only when the prediction did not involve psychotherapy outcome. d. statistical prediction was superior to clinical prediction across a wide variety of conditions.