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. 2012 Mar 28;22(2):423–429. doi: 10.1007/s11136-012-0162-2

Fig. 3.

Fig. 3

Test information curve of the EC-17 in relation to the Rasch score. Higher positive logit scores indicate better self-management skills and attributes. Test information values of 3.33 and 6.67 (dotted lines) correspond to a reliability of 0.70 and 0.85, respectively. Logit values of −6, 0, and 6 correspond to approximate total scores on the EC-17 of 1, 59, and 98, respectively