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A health and nutrition researcher wants to determine if people who are on a calorie-restriction diet and do an hour of aerobic exercise three days per week lose more weight than people who just restrict caloric intake, people who just exercise, and people who do neither. select the most appropriate sampling or experimental study design for the above situation.

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Kalahira
The most appropriate way to determine is to run a group of people doing the calorie-restriction diet and do an hour of aerobic exercise three days per week as your control group, while also running three separate groups for the people who restrict caloric intake, just exercise, and people who do neither.

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