An experimenter is hired to conduct a study at Whole Foods to determine the effect of a wellness program on employee absenteeism. She found that six months after implementing the wellness program...

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Extracted text: An experimenter is hired to conduct a study at Whole Foods to determine the effect of a wellness program on employee absenteeism. She found that six months after implementing the wellness program (which included stop smoking programs, blood pressure screenings, yoga classes), absenteeism declined in the store that was studied. What should she conclude? A. The wellness program was successful! B. The wellness program was well received by the employees. C. She can't conclude anything, because she doesn't have a control group. D. Absenteeism declined because the wellness program helped the employees E. improve their overall health, so they became sick less often.