Rasch Model Implementation inEvaluating Teacher Competency Test Quality on Multimedia Program Expertise

-This study aims to identify and evaluate the psychometric property of Multimedia Program Expertise Competency Test. Research data was obtained from examining 2,744 teachers who teach multimedia subjects in Indonesia. Data were analyzed using Rasch Model to identify psychometric properties at item level (index precision model and point measures correlation) and test level (item-person map, separation index and reliability). Analysis result exhibits that all the items possess high performance as they are in accordance with Rasch Model. At test level, it is also able to accommodate the diversity of teachers' competence level well. On the other hand, a high index of separation obtained exhibits the consistency of items psychometric properties and scores obtained by examined teacher on re-measurement.