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In an experiment, the variable manipulated by the researcher is the:
AIndependent variable
BDependent variable
CConfounding variable
DMediator variable
Answer & Solution
Correct answer: A. Independent variable
1. The independent variable (IV) is set by the experimenter.
2. The dependent variable changes in response to the IV.
3. Hence independent variable.
_Source: Trueman's UGC NET/SLET General Paper I (Manohar Pub.), 2010 — Variables_