The standard deviation is:

a. the arithmetic average.
b. the middle score in a distribution after the scores have been ordered from highest to lowest orlowest to highest

c. the square root of the average squared deviation from the mean.
d. the difference between the lowest and highest score in a distribution.

c

Psychology

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What sexually transmitted infection can be transmitted to the fetus during prenatal development and to the neonate during birth and later through breast milk?

a. syphilis b. herpes c. gonorrhea d. AIDS

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How can a contingency of reinforcement affect the behavioral bliss point?

A) ?It usually has little effect on reaching the behavioral bliss point. B) ?It can move an animal toward its behavioral bliss point. C) ?It can prevent an animal from reaching its behavioral bliss point. D) ?It represents the animal's behavioral bliss point.

Psychology