A researcher is investigating the effect of high room temperature on aggressive behavior in preschoolers. Half of the children are in a classroom where the temperature is a warm 88 degrees and half are in a classroom where the temperature is a normal 77 degrees. The researcher measures the number of hitting incidents that occur in each classroom. In this study the children in the normal temperature classroom are the

Question

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The children in the normal temperature classroom are the control group. They serve as a comparison group for the experimental group (the children in the high temperature classroom) by not being exposed to the independent variable (high room temperature). This allows the researcher to determine if any differences in hitting incidents are due to the temperature manipulation rather than other factors.

A Researcher Is Investigating the Effect of High Room Temperature