If the exact degree of difference between two scores has no meaning beyond the fact that one is higher than the other,the level of measurement is
A)nominal.
B)extraneous.
C)rank-order.
D)equal-interval.

Question

Quizplus · Accepted Answer

In rank-order measurement, the only information that can be inferred is the order in which the scores occur, and not the magnitude of the difference between them. Thus, the exact degree of difference between two scores is not meaningful in this level of measurement. Nominal measurement is used to categorize data, equal-interval measurement involves equal differences between units of measurement, and extraneous is not a recognized level of measurement.

If the Exact Degree of Difference Between Two Scores Has