Select the problem statement that meets criteria for a problem statement and contains all the necessary elements
1. Is there a difference in male body weight after exercise?
2. Is there a correlation between exercise and pulse rates?
3. Is there a correlation between perception of pain and noise level?
4. Is there a difference in insomnia between men and women?
1
Rationale 1: "Is there a difference in body weight (dependent variable) after men (population) exercise (independent variable)?" is correct because it contains all the elements of an acceptable problem statement and is written in interrogative sentence form, is ethical, and includes variables that can be empirically tested.
Rationale 2: "Is there a correlation between exercise (dependent variable) and pulse rate (independent variable)?" is incorrect because it fails to include a population.
Rationale 3: "Is there a correlation between perception of pain (independent variable) and noise level (dependent variable)?" is incorrect because it fails to include a population.
Rationale 4: "Is there a difference in perception of insomnia between men and women?" is incorrect because "perception" cannot be empirically tested.
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