A researcher is investigating the effect of high room temperatures 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 temperature of the room is the

Question

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The temperature of the room is the independent variable in this study because it is being manipulated by the researcher to see if it has an effect on aggressive behavior. The hitting incidents that occur are the dependent variable, as they are being measured to determine if they are affected by the room temperature. The experimental group is the group of preschoolers in the warm 88-degree classroom, while the control group is the group in the normal 77-degree classroom.

A Researcher Is Investigating the Effect of High Room Temperatures