U.S. Department of Energy

Pacific Northwest National Laboratory

Measure or Collect Data

Once the measurement procedure is clearly defined, begin measuring and collecting data. Measurements may be quantitative or qualitative.

  • Quantitative measurement - Quantity values that can be reasonably attributed to a quantity associated with an observational unit.
  • Qualitative measurement - Qualitative or symbolic values that can be reasonably attributed to an observational unit.
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