If a set of scores has a mean of 45 and a standard deviation of 9, then the scores have a variance of ____
a. 3
b. 4.5
c. 18
d. 81
d
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Among passive victims, boys tend to have mothers who are
A) unresponsive. B) emotionally overinvolved. C) abusive. D) punitive.
The __________, along with women’s reduced risk taking and physical aggression, are believed to be responsible for the female advantage in average life expectancy
A) gender difference in alcohol consumption B) protective value of the extra X chromosome C) protective value of the extra Y chromosome D) gender difference in preventative health care
Suppose you examine an ultrasound image of a fetus, who is sucking her right thumb. Generalizing from research presented in the text, what is the probability that this fetus will be right-handed at age 15?
a. about 50% b. about 67% c. about 85 % d. about 100%
Schizotypal personality disorders differ from other "odd" personality disorders in that they are related to schizophrenia and:
A) stress disorders. B) mood disorders. C) anxiety disorders. D) mental retardation.