Why are t statistics more variable than z-scores?
a. The extra variability is caused by variations in the sample mean.
b. The extra variability is caused by variations in the sample variance.
c. The extra variability is caused by variations in the df value.
d. None of the other options explains the extra variability for t statistics.
B
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a. external societal demands b. naturalistic observation c. the epigenetic principle d. identity versus confusion
Substance use can be described along a continuum in these areas:
a. emotions, cognition, and behaviors. b. internal and external awareness. c. amount, frequency, and episodes. d. the user's recognition and assessment.
What general principle is demonstrated when solving the Luchins water jug problem?
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A. internalizing problems B. externalizing problems C. existential problems D. incomplete dominance problems