[2] TYPES OF STUDIES [Part 2]: Forty 60-65 year old males have agreed to participate in an eight-week study of the effectiveness of four weight/cardio training approaches on overall retention of muscle mass. At the start of the investigation the researcher calculates the muscle circumference in the upper thigh and the upper arm and calculates a body mass index (BMI) for each participant. Each participant is then randomly assigned to one of the four weight/cardio training approaches. The muscle circumference and BMI measurements are taken again at the end of the study. What is the objective variable for this study? (What are they investigating?) A. Body mass B. Weight/Cardio program C. Weight loss D. Muscle mass retention

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[2] TYPES OF STUDIES [Part 2]: Forty 60-65 year old males have agreed to participate in an eight-week study of the
effectiveness of four weight/cardio training approaches on overall retention of muscle mass. At the start of the
investigation the researcher calculates the muscle circumference in the upper thigh and the upper arm and calculates
a body mass index (BMI) for each participant. Each participant is then randomly assigned to one of the four
weight/cardio training approaches. The muscle circumference and BMI measurements are taken again at the end of
the study. What is the objective variable for this study? (What are they investigating?)
A. Body mass
B. Weight/Cardio program
C. Weight loss
D. Muscle mass retention
Transcribed Image Text:[2] TYPES OF STUDIES [Part 2]: Forty 60-65 year old males have agreed to participate in an eight-week study of the effectiveness of four weight/cardio training approaches on overall retention of muscle mass. At the start of the investigation the researcher calculates the muscle circumference in the upper thigh and the upper arm and calculates a body mass index (BMI) for each participant. Each participant is then randomly assigned to one of the four weight/cardio training approaches. The muscle circumference and BMI measurements are taken again at the end of the study. What is the objective variable for this study? (What are they investigating?) A. Body mass B. Weight/Cardio program C. Weight loss D. Muscle mass retention
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