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 2
Among subjects with coronary artery disease, a researcher identifies three levels of symptoms which can be categorized by severity. This represents which level of measurement?
a. Interval
b. Nominal
c. Ordinal
d. Ratio