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. 2015 May;38(3):356–365. doi: 10.1179/2045772315Y.0000000024

Table 4 .

Accuracy of variable- and fixed-length CAT and 10-item short form: correlations with full-bank score

Mode N # Items Admin
Max %Min %Max Correlation with full bank
Mean SD Min
Variable-length CAT (min 4) 717 5.10 2.38 4 12 73.32% 8.80% 0.950
Variable-length CAT (min 8) 717 8.39 1.17 8 12 89.53% 9.22% 0.975
10-item fixed-length CAT 717 N/A N/A 10 10 N/A N/A 0.981
10-item short form 717 N/A N/A 10 10 N/A N/A 0.976