EPPP Psychology

Category - Research Methods and Statistics

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IQ score is an example of:

A ratio scale
An interval scale
An ordinal scale
A nominal scale

Explanation

Answer: B - An IQ scores is an interval scale.
Interval scales have the property of order and the property of equal interval between points on the scale. A ration scale has the property of zero points in addition to these, and the ordinal scale only has order. The nominal scale divides variables into unordered categories.

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