Why might a researcher investigating the health of alcohol users versus nonusers NOT use random assignment?
A) Random assignment cannot be used in humans.
B) Random assignment would have involved convincing people to drink or not drink, based on their group assignment.
C) Alcohol users cannot be randomly assigned to abstinence groups.
D) All of the above.
Correct Answer:
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Q10: In a scientific experiment, the variable that
Q11: Which of the following is an example
Q12: Which of the following include major questions
Q13: Introspection involves _.
A) random assignment
B) insight into
Q14: The difference between an experimental design and
Q16: Face validity is a(n) _.
A) type of
Q17: Why is the scientific method so important
Q18: Emma has a tendency to recall evidence
Q19: An empirical claim involves _.
A) introspection
B) quasi-experimental
Q20: Jarod is in the beginning stages of
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