Measurement

Question 1

Nominal Measurement

Answer 1

Categorizes variables

e.g gender, hair color…

Question 2

Ordinal Measurement

Answer 2

Rank orders categories of variables.

Question 3

Interval Measurement

Answer 3

Categorizes, orders and provides meaningful measure of differences in the ordering.
Equal intervals between measurements
e.g. Height, weight, blood pressure.
Parametric data

Question 4

Ratio Measurement

Answer 4

Interval data with true zero point
e.g height, Celsius temperature.
Parametric data