Naturalistic observation and case-study research allow us to
A) identify contingencies
B) prove causality
C) manipulate the independent variable
D) rule out alternative hypotheses.
Question 2
Why would a researcher use a delayed-treatment control group instead of a no-treatment control group in a study of fear reduction?
A) Because you can learn much more clinically by seeing how both groups respond to treatment.
B) Because it doubles the sample size in the treatment group.
C) Because it reduces the cost of treatment by spreading it over more people.
D) Because the researcher is addressing an ethical issue.
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