Multiple Choice
An experimenter was interested in comparing two kinds of marital therapy programs--one that involved individual counseling and one that provided therapy for couples together. The experimenter also thought that therapy effectiveness might depend on the age of the couples, the number of years they had been married, and whether or not they had any children. Which of the variables in the study is not a subject variable?
A) type of therapy
B) age
C) years married
D) children
Correct Answer:

Verified
Correct Answer:
Verified
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