In a multileveled completely randomized design:
a. there can be two or more levels of the independent variable.
b. there is one level of the independent variable.
c. there are two dependent variables.
d. subjects are assigned to groups based on a scores on a pretest.
A
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Indicate whether this statement is true or false.
Which of the following is NOT a way that the text says adolescents and adults with drug abuse problems differ?
A) Adolescents are more likely to have an existing psychological problem along with their drug abuse. B) Adolescents are more likely to be referred to drug treatment programs by other people. C) Adolescents are more likely to develop a psychological dependency on drugs. D) Adolescents are more likely to develop a physical addiction to drugs.