The purpose of myelin is to
a) slow down the action potential
b) speed up the action potential
c) to allow the action potential to be generated
d) to keep the axon isolated from the rest of the nervous system
b) speed up the action potential
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During which phase of the rape trauma syndrome is the rape survivor likely to have feelings of self-blame, fear, and depression, and to believe she was responsible for the rape?
a. short-term c. long-term b. acute d. reorganization
Higher knowledge levels about HIV/AIDS are consistently strong predictors of behavior changes and the practice of safer sex among U.S. college students
a. True b. False Indicate whether the statement is true or false
A researcher finds that men make more errors on a memory task than do women. After conducting the appropriate statistical test on this difference, he finds a probability level of less than .05 . The researcher will probably conclude that
A. the difference represents a chance fluctuation. B. the difference is statistically significant. C. if he conducts the study again, there is a high probability that no difference would be found or that women would make more errors. D. there is only a five in 100 chance that his finding represents a real difference between men and women.
According to the text, the two most important advantages of true experiments are that they:
A) minimize attrition and maximize mundane realism B) solve the problem of individual differences and help to minimize confounds C) solve the problem of induction and maximize statistical power D) maximize both internal and external validity