Why Would a Study Involving Continuous Handrail Support, Oxygen Uptake

question 10

Multiple Choice

Why would a study involving continuous handrail support, oxygen uptake, and heart rate in women during submaximal step treadmill exercise be quasi-experimental in design versus experimental?

• A) The sample size was small.
• B) Randomization was not used in sample selection.
• C) The dependent variables were not manipulated.
• D) The independent variables were not manipulated.

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