Question

question 3 of 10
what is the purpose of using multiple control groups in an experiment?
a. to help scientists make observations that are not relevant to the experiment
b. to generate as much data as possible, whether theyre useful or not
c. to help control for factors that arent being tested but might affect results
d. to provide background information concerning the experimental question

Explanation:

Control groups in an experiment are used to isolate the effect of the independent variable. Multiple control groups help account for various extraneous factors that could impact the results but are not part of the variables being directly tested.

Answer:

C. To help control for factors that aren't being tested but might affect results