Question

multiple choice question
in a research study, an experimental group is a group whose experience is manipulated, whereas a ______ group is a group whose experience is not manipulated.

random
control
sample
cohort
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Explanation:

In research methodology, the control group serves as a baseline comparison group where the independent variable (the experience being tested) is not manipulated, while the experimental group has this variable manipulated. The other options do not fit: "random" refers to sampling method, "sample" is a subset of a population, and "cohort" is a group sharing a common characteristic over time.

Answer:

B. control