Measurement: Assigning numbers to phenomena according to pre-defined rules

• Example: Height

• Can these numbers all accurately reflect height?

  • 64 inches
  • 162.56 cms
  • 0 z-score (standard units)
  • 2 ( 1=short, 2=med., 3=tall)
  • 1 (1=average, 2=not average)

Sure!!

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