Comparison of Different Unidimensional-CAT Algorithms Measuring Students’ Language Abilities: Post-hoc Simulation Study
Table 2:
İtem Selection | TerminationRules | Number Of İtemsadministered | RMSD(theta) | SEM OfCAT Theta | Reliability |
UW-FI | Precision (0.30) | 15.92 | 0.733 | 0.291 | 0.920 |
Precision (0.20) | 26.37 | 0,194 | 0.212 | 0.931 | |
Fixed ( 30) | 30 | 0.620 | 0.223 | 0.952 | |
LW-FI | Precision(.30) | 16.26 | 0.852 | 0.293 | 0.936 |
Precision (.20) | 27.98 | 0.714 | 0.232 | 0,958 | |
Fixed | 30 | 0.704 | 0.228 | 0.958 | |
PW-FI | Precision .30) | 14.97 | 0.750 | 0.289 | 0.919 |
Precision (.20) | 25.79 | 0.192 | 0.211 | 0.934 | |
Fixed | 30 | 0.614 | 0.218 | 0.955 | |
FP-KL | Precision (.30) | 13.32 | 0.858 | 0.291 | 0.884 |
Precision (.20) | 28.69 | 0.215 | 0.22 | 0,931 | |
Fixed | 30 | 0.192 | 0.183 | 0.951 | |
VP-KL | Precision (.30) | 14.06 | 0.780 | 0.288 | 0.919 |
Precision (.20) | 25.49 | 0.195 | 0.210 | 0,936 | |
Fixed | 30 | 0.642 | 0.214 | 0.959 | |
FI-KL | Precision (.30) | 16.09 | 0.612 | 0.293 | 0.874 |
Precision (.20) | 26.96 | 0.199 | 0.214 | 0.933 | |
Fixed | 30 | 0.475 | 0.226 | 0.929 | |
VI-KL | Precision (.30) | 14.86 | 0.741 | 0.290 | 0.915 |
Precision (.20) | 30 | 0.322 | 0.30 | 0.841 | |
Fixed | 30 | 0.590 | 0.219 | 0.953 |