Dr.Hessels is examining how different people respond to frightening events.She will have participants walk through a haunted house at a local amusement park,and each participant will be outfitted with a heart monitor.She will use the changes in heart rate as a measure of stress.What are two ways that such changes in heart rate can be described

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Changes in heart rate would be considered a physiological recording, which is a measure of the dependent variable (how participants respond to frightening events). It could also be operationalized as a specific change in beats per minute as a result of exposure to the haunted house.

DrHessels Is Examining How Different People Respond to Frightening Events