A psychologist administers an IQ test to adults called the WAIS. The scores for

Question

A psychologist administers an IQ test to adults called the WAIS. The scores for the test have uniform spacing between them which allows meaningful differences between scores to be made. For example, it is meaningful to report that one person scored twenty points higher on the WAIS than another person. However, the scoring scale for the test does not have a true zero starting point. As a result, a person with an IQ score of 120 cannot be said to be twice as intelligent as a person with an IQ score of 60. These IQ scores are an example of data at the ________ level of measurement.

Interval

Nominal

Ordinal

Ratio

Explanation / Answer

Ordinal

As these scores have a numerical position and uniform spacing which allows to know the significance of the difference which can be stated as the Ordinal theory of numbers and these numbers may not state outcomes based on teh difference but they can sort or segregate the differences present.

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