Author Question: The nurse researcher opts to use ratio-level data. The researcher's primary concern will be what? ... (Read 124 times)

Chloeellawright · **on:** Jul 8, 2018

The nurse researcher opts to use ratio-level data. The researcher's primary concern will be what?

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 2

The nurse researcher is using a research study that involved categories of patient weights. The level of measurement that would be most appropriate in this study is what?

a. Nominal
b. Ordinal
c. Interval
d. Ratio

cloudre37 · **Reply #1 on:** Jul 8, 2018

Answer to Question 1

ANS: C

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

Answer to Question 2

ANS: A

Feedback
A The data are represented by nominal-level data, categories, or classifications.
B The data are represented by nominal-level data, categories, or classifications.
C The data are represented by nominal-level data, categories, or classifications.
D The data are represented by nominal-level data, categories, or classifications.