A Researcher Is Investigating the Effect of High Room Temperatures

question 46

Multiple Choice

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

• A) dependent variable.
• B) experimental group.
• C) control group.
• D) independent variable.

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