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A company introduced a wellness programme and absenteeism fell 20% the next year. Management concludes the programme caused the drop. Which, if true, most weakens this conclusion?
AThe previous year had an unusual flu outbreak that had temporarily inflated absenteeism
BAbsenteeism is costly for the company
CEmployees said they enjoyed the wellness programme
DThe programme was inexpensive to run
Answer & Solution
Correct answer: A. The previous year had an unusual flu outbreak that had temporarily inflated absenteeism
If the prior year's absenteeism was abnormally high (flu), the 20% 'drop' is just a return to normal, not the programme's effect.
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