Paper 1 · Research Aptitude
In an experimental design, the dependent variable is the one
AIn which any changes are observed
BWhich is not manipulated by the researcher
CBoth observed for change and not manipulated ✓ Correct
DWhich is deliberately manipulated
Correct answer: (C) Both observed for change and not manipulated — The dependent variable is both the one in which changes are observed and the one not manipulated, so that is the answer.
Explanation
★The dependent variable is both the one in which changes are observed and the one not manipulated, so that is the answer.
★The dependent variable is the outcome of the experiment.
★Any changes produced by the treatment are observed in it, so it is watched for change.
★It is not manipulated by the researcher; only the independent variable is manipulated.
★So both descriptions, being observed for change and not being manipulated, apply to it.
★Since both hold, the answer covers both features of the dependent variable.
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