If two separate samples have M1 = 10 and M2 = 18 with a pooled variance of 16, then Cohen's d = 0.50
Indicate whether the statement is true or false
F
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Most people are highly susceptible to hypnosis
Indicate whether the statement is true or false
Mary Cover Jones thought that if fear could be conditioned, perhaps it could also be
A. reinforced. B. self-actualized. C. unlearned or extinguished. D. repressed.
A recent study (Trenholm et al., 2007) found that sex education programs that teach only abstinence
a. dramatically reduce teen pregnancy rates.
b. have no effect on teen pregnancy rates.
c. increase contraceptive use among teens.
d. reduce teen pregnancy rates among younger adolescents, but have no effect on the pregnancy rates of olderadolescents.
The greatest risk for prenatal defects exists when a mother contracts rubella
A. right before birth. B. in the third month of pregnancy. C. in the third or fourth week of pregnancy. D. in the second trimester of pregnancy.