RASCH VALIDATION OF THE WBISA APPLICATION QUESTIONNAIRE IN HIGHER LEARNING INSTITUTION

Abstract

It is important to access the quality of any academic application in higher learning institution. Basically, users of this application are academicians who rely on system to perform daily activities. However, limited study has been conducted to investigate this matter. Constructing an item questionnaire with a content validity, reliability and fairness is not easy. The questionnaire was then distributed among the academicians who used WBISA application via online platform. Therefore, this study aims to reveal to develop the item of the questionnaire using Rasch measurement model. The questionnaire consists of 61 items used with 9 categories of characteristics. Overall, the results have shown that item fits were within an acceptable range. Meanwhile, the Cronbach’s alpha was a good value at 0.97, with person reliability of 0.96 and item reliability of 0.87. The person separation was observed at a value of 5.05 while the item separation is considered acceptable at a value of 2.54; indicating good measurement capability which supports its use in evaluating academician's using WBISA application. Finally, a well-developed of item questionnaires has been established.