I was wandering if I have the dependent and independent variable correct. Scenar

Question

I was wandering if I have the dependent and independent variable correct. Scenario 3: A study was conducted to assess physiological responses to an early passive exercise protocol to prevent muscle weakness in adults receiving mechanical ventilation. Af 72 hours of intubation, patients had 20 minutes of leg movement delivered by a continuous passive motion machine. The Behavioral Pain Scale was used to measure patients' comfort at several time points: baseline, 5 minutes after the start of the intervention, 10 minutes after the start, 20 minutes after the start, and 60 minutes after the completion of the intervention. The researchers wish to test if there is a difference in pain scores over time. SPSS output for the analysis is provided below. Use it to answer the following questions. a. Identify the independent and dependent variables for this study. (2 pts.) Independent: The independent variable is passive exercise Dependent: The dependent variable is muscle weakness.

Explanation / Answer

The dependent variable here will be the Behavioral Pain Scale scores of the patients.

The independent variable here will be the number of minutes spent on the continuous passive motion machine.

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