Practice Quiz

PTA Physical Therapy Assistant

Category - Safety, Professionalism, and Evidence-Based Care

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Which is the highest level of measurement?
  1. Nominal level
  2. Ratio level
  3. Interval level
  4. Ordinal level
Explanation
Answer: B - Ratio level is the highest level of measurement.


Ratio level gives all the information of nominal, ordinal, and interval levels and above that as well.

Nominal level is the basic level. It gives the least information.

Interval level is the actual numerical scores which allows for a direct mathematical comparison.

Ordinal level ranks the order of the data according to the dimension.
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