Martina is part of a study on heart rate and exercise.Her heart rate is measured before walking on a treadmill and then again after walking on the treadmill.What type of study is she participating in

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Quizplus · Accepted Answer

Martina is participating in an intervention study, where an intervention (walking on the treadmill) is being performed and its effect on heart rate is being measured. Longitudinal studies follow participants over a long period of time, while cohort studies observe a group of individuals with similar characteristics over time. Directional is not a type of study.

Martina Is Part of a Study on Heart Rate and Exercise.Her