Table 4 Number of respondents (σ) and average selected items (\(\bar {x}\)) for each \(\hat {\theta }\) interval in ALICAT’s approach
From: ALICAT: a customized approach to item selection process in computerized adaptive testing
\(\hat {\theta }\) Interval | ALICAT | |
|---|---|---|
σ | \(\bar {x}\) | |
[ − 2 ; − 1.5 ] | 495 | 7 |
[ − 1.5 ; − 1 ] | 471 | 8 |
[ − 1 ; − 0.5 ] | 626 | 10 |
[ − 0.5 ; 0 ] | 540 | 11 |
[ 0 ; 0.5 ] | 507 | 13 |
[ 0.5 ; 1 ] | 754 | 9 |
[ 1 ; 1.5 ] | 449 | 18 |
[ 1.5 ; 2 ] | 100 | 18 |
[ 2 ; 2.5 ] | 554 | 21 |
[ 2.5 ; 3 ] | 483 | 10 |