Why Are Control Groups Included in Experiments

question 22

Multiple Choice

Why are control groups included in experiments?

• A) To determine whether two variables are correlated in an experiment
• B) To rule out the idea that something other than experimental manipulation produced the observed results in an experiment
• C) To ensure that participant characteristics are essentially the same in each group
• D) To translate the hypothesis into something testable in an experiment

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A government-funded program in the United States that provides health coverage to eligible low-income adults, children, pregnant women, elderly adults, and people with disabilities.

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A United States government program that provides financial assistance to individuals who are elderly, blind, or disabled and have little or no income.

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