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Table 1 Data used by Hankins's to illustrate the calculation of delta: where two scales are administered to 10 subjects.

From: Discrimination and reliability: Equal partners?

Subject A B C D E F G H I J
Response I 1 2 2 3 3 3 3 4 4 5
Response II 1 1 1 1 1 1 1 1 3 5
Average 1.0 1.5 1.5 2.0 2.0 2.0 2.0 2.5 3.5 5.0