Investigating the Performance of Omega Index According to Item Parameters and Ability Levels
Onder SUNBUL1, Seha YORMAZ21Mersin University, TURKEY,2Mersin University, TURKEY,DOI: 10.14689/ejer.2018.74.11 ABSTRACT Purpose: Several studies can be found in the literature that investigate the performance of ω under various conditions. However no study for the effects of item difficulty, item discrimination, and ability restrictions on the performance of ω could be found. The current study aims to […]