Ask The Experts About Virtual Therapy

Donald asks…
A little help on this psych question, please?
In an experiment to determine the usefulness of virtual reality therapy in curing phobic disorders subjects are assigned to a VR or non-VR group. This is the study’s…
A.control variable
B.independent variable
C.dependent variable
D.placebo variable
E.extraneous variable
This confuses me because I’m not sure what they’re asking me to identify.

admin answers:
B. Independent variable (the group to which the participants are assigned – treatment/non treatment)
~Dr. B.~
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