Table 2 Stability point identification (average number of selected itens \(\bar {x}\)) and sample size (σ) for each ISR and for each \(\hat {\theta }\) interval
From: ALICAT: a customized approach to item selection process in computerized adaptive testing
Estimated \(\hat {\theta }\) interval | F | KL | KLP | MLWI | MPWI | |||||
|---|---|---|---|---|---|---|---|---|---|---|
σ | \(\bar {x}\) | σ | \(\bar {x}\) | σ | \(\bar {x}\) | σ | \(\bar {x}\) | σ | \(\bar {x}\) | |
[ − 2 ; − 1.5 ] | 502 | 7 | 48 | 14 | 301 | 8 | 0 | – | 0 | – |
[ − 1.5 ; − 1 ] | 439 | 8 | 548 | 8 | 552 | 8 | 3 | 23 | 797 | 8 |
[ − 1 ; − 0.5 ] | 611 | 10 | 477 | 8 | 740 | 9 | 7 | 17 | 723 | 8 |
[ − 0.5 ; 0 ] | 490 | 14 | 1047 | 7 | 385 | 13 | 2544 | 6 | 517 | 9 |
[ 0 ; 0.5 ] | 666 | 21 | 629 | 8 | 506 | 14 | 771 | 6 | 585 | 15 |
[ 0.5 ; 1 ] | 281 | 19 | 369 | 10 | 708 | 9 | 377 | 7 | 395 | 13 |
[ 1 ; 1.5 ] | 665 | 35 | 406 | 21 | 242 | 24 | 166 | 10 | 454 | 18 |
[ 1.5 ; 2 ] | 152 | 25 | 554 | 12 | 1512 | 7 | 35 | 19 | 1506 | 9 |
[ 2 ; 2.5 ] | 1142 | 19 | 901 | 15 | 3 | 22 | 769 | 14 | 2 | 2 |
[ 2.5 ; 3 ] | 31 | 27 | 0 | – | 0 | – | 307 | 9 | 0 | – |