Levels of measurement

Question 1

What are the levels of measurement?

Answer 1

• Nominal
• Ordinal
• Interval
• Ratio (don’t need to know about this)

Question 2

What is levels of measurement?

Answer 2

Levels of data, in order of sophistication.
Applies to data that is measured and recorded (the DV).

Question 3

Does the level of data refer to the scores of each individual participant or the means, medians, etc?

Answer 3

The scores of each individual participant.

Question 4

What is nominal data?

Answer 4

Data in separate categories/groups - counting the number of times a behaviour is shown.

Question 5

What is ordinal data?

Answer 5

The data is in some way rank ordered.
This also includes subjective data (based on opinions) as the scale is based on people’s rankings.

Question 6

What is interval data?

Answer 6

When data is measured using units of equal intervals. eg: cms, seconds, degrees.

Question 7

Which test is the most sophisticated?

Answer 7

Interval test

Question 8

Which test is the least sophisticated?

Answer 8

Nominal data