easy · GRE Verbal
A factory added short rest breaks, and defect rates declined. It credits the breaks.
The answer to which question would be most useful for evaluating the conclusion?
- How much production time did the new breaks require?
- Which manager approved the revised break schedule?
- Was the new break policy posted beside the time clock?
- Was faulty equipment replaced when rest breaks began?
- How long had the factory used its previous shift schedule?
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