As described in your text, a __________ "is a plausible, organized, and logical set of principles and facts presented to explain why and under what circumstances a phenomenon occurs."
a. theory
b. null hypothesis
c. confound
d. Type I error
a
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In describing intelligence during the fifties, statistically speaking, what is the LEAST appropriate comment?
a) people decline in every skill b) vocabulary improves c) the ability to master unfamiliar material declines d) people often reach their intellectual peak
How quickly might you expect to feel the full effects of your morning cup of coffee?
a. Within 5-15 minutes, which is how long it takes to reach peak blood concentrations. b. Within 20-45 minutes, which is how long it takes to reach peak blood concentrations. c. Within 45-75 minutes, which is how long it takes to reach peak blood concentrations. d. Within 75-90 minutes, which is how long it takes to reach peak blood concentrations. e. Within 90-120 minutes, which is how long it takes to reach peak blood concentrations.