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Table 2 Comparison of CAT and non-adaptive testing (NAT) in measurement efficiency with the t-test

From: Reduction in patient burdens with graphical computerized adaptive testing on the ADL scale: tool development and simulation

  Mean Variance Observed Maximum Minimum p-value
Estimated Ability:       
NAT -0.23 9.19 826 5.22 -8.62 .78
CAT -0.20 8.92 826 4.76 -8.62  
Test length:       
NAT 23 0 826 23 23 < .001
CAT 13.42 62.04 826 23 5