The nurse researcher opts to use ratio-level data.What will be the researcher's primary concern if this level of data is used?
A) Categories must be mutually exclusive.
B) Intervals between data categories must be equal.
C) The rank of zero (0) represents the absence of the measured variable.
D) Variance between assigned categories is qualitative rather than quantitative.

Question

Quizplus · Accepted Answer

Correct C: This is characteristic of ratio measurement.
Incorrect A: This response is true for all levels of data: nominal,ordinal,interval,ratio
Incorrect B: This is true for intervals between numbers for interval- and ratio-level data.
Incorrect D: This response does not describe interval-level data.

The Nurse Researcher Opts to Use Ratio-Level Data