A Tavares crew produced 7.2 units per labor-hour last week and 6.4 this week. What productivity trend change should be reported?
Correct Answer
B) -0.8 units/LH
Productivity trend change equals current production rate minus prior production rate.
Why This Is the Correct Answer
Productivity trend change equals current production rate minus prior production rate.
Why the Other Options Are Wrong
Option A: 13.6 combined rate
13.6 combined rate is above the supported result for productivity trend; it likely pays the wrong premium tier or counts the same hours twice.
Option C: +0.8 prior-minus-current
+0.8 prior-minus-current is not aligned with the supported result for productivity trend; it has the wrong label or classification even if the number looks close.
Option D: 0.89 productivity index
0.89 productivity index is above the supported result for productivity trend; it likely pays the wrong premium tier or counts the same hours twice.
Memory Technique
Superintendent Reviews payroll: time, premium, reimbursement, proof in separate buckets.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Principles and Practices of Commercial Construction, Productivity trend tracking; verify the trade cost, production, or field-control rule before answering.
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