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16 An experimenter believes that two new exercise programs are more effective than any current...

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16 An experimenter believes that two new exercise programs are more effective than any current exercise routines and wishes to compare the effectiveness of these two new exercise programs on physical fitness The experimenter is trying to determine whether or not a control group which follows neither of these new programs but continues with current exercise routines would be beneficial Which of the following can be said about the addition of a control group A A control group would eliminate the placebo effect B A control group would eliminate the need for blinding in the study C A control group would allow the experimenter to determine which of the two exercise programs improves physical fitness the most D A control group would allow the experimenter to determine if either of the exercise programs is more effective than current programs for physical fitness E There would be no added benefit to having a control group

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