A researcher conducts a study to identify the relationship of lifestyle choices to the development of chronic diseases.The researcher surveys subjects and identifies diabetes mellitus,coronary artery disease,and renal disease in study subjects.These measures represent which level of measurement?
A) Interval
B) Nominal
C) Ordinal
D) Ratio

Question

Quizplus · Accepted Answer

Nominal level measurement is used when data can be organized into categories of a defined property,such as a disease diagnosis,but when categories cannot be rank ordered.Interval level measurement uses interval scales,which have equal numerical distances between intervals.Ordinal level measurement is used when data collected can be rank ordered.Ratio level measurement uses all aspects of other types of measurement: mutually exclusive categories,exhaustive categories,ordered ranks,equally spaced intervals,and a continuum of values.

A Researcher Conducts a Study to Identify the Relationship of Lifestyle