Florida Biology EOC Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

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What is the purpose of a control group in an experiment?

To validate the hypothesis

To serve as a standard of comparison

The purpose of a control group in an experiment is to serve as a standard of comparison. This group is not exposed to the experimental treatment or condition, allowing researchers to determine the effects of that treatment by comparing the results of the experimental group with those of the control group. By observing how the experimental group responds relative to the control group, scientists can more accurately assess the outcomes of the manipulation being tested.

In doing so, the control group helps isolate the variable being studied, ensuring that any changes observed in the experimental group can be attributed specifically to that variable rather than other potential influences. This foundational aspect of experimental design is crucial in validating the results and conclusions drawn from the research.

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To provide additional variables

To minimize bias

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