Skip to main content

Table 3 Sensitivity and specificity in relation to the number of items used to estimate persons' locations.

From: An accurate and efficient identification of children with psychosocial problems by means of computerized adaptive testing

Criteria to stop the CAT Sensitivity Specificity Area Under Curve
Maximum no of items: 30 93% 90% 0.97 (0.96 - 0.98)
Maximum no of items: 20 90% 89% 0.96 (0.95 - 0.97)
Maximum no of items: 10 79% 88% 0.92 (0.90 - 0.94)
Maximum no of items: 5 64% 88% 0.90 (0.84 - 0.89)
Estimation of person location with 95% accuracy 92% 90% 0.97 (0.96 - 0.98)