Multiple Choice
Under which of the following circumstances would a study of the effectiveness of different forms of psychotherapy have high internal validity?
A) The results are statistically significant.
B) The independent variable is confounded with other factors.
C) The findings can be generalized to other types of patients.
D) Patient improvement can be attributed to the psychotherapy and not to other factors.
Correct Answer:

Verified
Correct Answer:
Verified
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