Topic #6 - Scales

In nominal measurement, numbers are used to “name” the attribute.

• True
• False

In ordinal measurement, attributes are in order and have an equal interval between them.

• True
• False

In interval measurement, the intervals between attributes have meaning.

• True
• False

Which of the following has a zero point of origin?

• Nominal
• Ordinal
• Interval
• Ratio

What level of measurement is suitable for gender?

• Nominal
• Ordinal
• Interval
• Ratio

If the grading of diabetes is classified as mild, moderate, and severe, the scale of measurement used is …

• Nominal
• Ordinal
• Interval
• Ratio

What is the difference between interval/ratio and ordinal variables?

• The distance between categories is equal for the interval/ratio data.
• Ordinal data can be ranked ordered, but interval/ratio data cannot.
• Interval/ratio variables contain only two categories.
• Ordinal has an absolute zero point, while interval/ratio does not.

The number of wrong turns made by a rat in a maze.

• Nominal
• Ordinal
• Interval
• Ratio

The students’ ranking on their knowledge about the eight RM topics (ranked from “most” to “least” knowledge).

• Nominal
• Ordinal
• Interval
• Ratio

A researcher measures people’s speed to press a button when a specific picture is shown. Which scale is the speed time?

• Nominal.
• Ordinal.
• Interval.
• Ratio.