Levels of Measurement

How many levels of measurement are there?

• 2

• 6

• 4

• 3

What are the different Levels of Measurement?

• Inches, Yard, Miles, mm

• Ratio, Interval, Ordinal, Nominal

• Ibs, tbs, Cups, Meters

• None of the above

A scale that has rankings is an ordinal scale

• True

• False

Interval level of measurement has no natural zero.

• True

• False

Continuous variables are interval or ratio and categorical variables are ordinal or nominal

• True

• False

The temperatures in cities throughout the country that are listed in most newspapers.

• Nominal

• Ordinal

• Interval

• Ratio

The birth weights of babies who were born at Wilshire General Hospital last week.

• Nominal

• Ordinal

• Interval

• Ratio

A researcher collects demographic data from her participants. She asks participants for their city of birth. Which level of measurement is this?

• A. Nominal

• B. Ordinal

• C. Interval

• D. Ratio

Answer explanation

Correct! City of birth is nominal because it can only be labelled in mutually exclusive categories. There is no natural order to cities.

The researcher asks participants to select their level of activity in general from the following: sedentary, light physical activity, moderate physical activity, or vigorous physical activity. Which level of measurement is this?

• A. Nominal

• B. Ordinal

• C. Interval

• D. Ratio

Answer explanation

Correct! Level of activity is ordinal because the categories are mutually exclusive and have a natural rank order.

Identify the level of measurement: The temperatures taken as people enter a hospital

• nominal

• ordinal

• interval

• ratio