The use of z scores for obtaining probabilities is only possible when
a. the events are independent
b. the probabilities are conditional
c. the distribution curve is symmetrical
d. the distribution curve is normal
d
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To determine if sugar-rich diets affect hyperactivity in kids, a researcher first received parental permission and then prepared two daily menus that children received for a 30-day period
A high-sugar diet was given to the boys, whereas the girls had a menu that seemed identical but was not a high sugar diet. At the end of 30 days, the boys and girls were evaluated to determine their levels of hyperactivity. In the study, the amount of sugar in each child's diet is the ________. a) placebo b) independent variable c) dependent variable d) control group
Interpretation of the _____ content of a dream is expected to reveal the _____ content
A) latent; manifest B) manifest; latent C) manifest; sublimated D) metaphorical; denotative