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The variable a researcher manipulates in an experiment is the:

ACorrelated variable
BIndependent variable
CDependent variable
DConfounding variable
Answer & Solution
Correct answer: B. Independent variable
1. An experiment tests whether changing one thing changes another. 2. Two important variables are attended to in any experimental study: the independent variable and the dependent variable. 3. The independent variable is the one the researcher changes. 4. The dependent variable is the one measured for a response. _Source: OpenStax Psychology 2e (CC BY 4.0), Ch 2 'Psychological Research', sections 2.1-2.4_
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