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?

Question

Quizplus · Accepted Answer

The changes in heart rate can be described using an operational definition, which is a clear, concise description of how a variable will be measured or manipulated in a study, and a physiological recording, which is a direct measurement of bodily processes such as heart rate. Therefore, the best choice is D, which includes both options.

Dr Hessels Is Examining How Different People Respond to Frightening