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Methods Engineering and Work Measurement: Productivity Concepts · Measuring Productivity

How productivity is defined and measured, from single-factor ratios to total factor productivity, and how these measures can mislead.

Methods Engineering and Work Measurement · 27 questions

Try 3 questions

1. In operations management, what does productivity measure?

  1. The ratio of outputs to inputs
  2. The total volume of output produced
  3. The share of output free of defects
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Answer: The ratio of outputs to inputs

Productivity compares what a process delivers with the resources it consumes; volume alone says nothing about the inputs used.

2. A workshop in Monterrey makes 200 chairs in a day with 2 workers on 8-hour shifts. What is its labor productivity?

  1. 100 chairs per labor-hour
  2. 25 chairs per labor-hour
  3. 12.5 chairs per labor-hour
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Answer: 12.5 chairs per labor-hour

The day used 2 × 8 = 16 labor-hours, and 200 / 16 = 12.5 chairs per labor-hour.

3. Output per labor-hour, per machine-hour or per kilogram of material are all examples of which kind of measure?

  1. Partial (single-factor) productivity
  2. Multifactor productivity
  3. Total factor productivity
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Answer: Partial (single-factor) productivity

Each ratio relates output to just one input, which is what defines a partial or single-factor measure.

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