Validating an Indonesian Version of the What Is Happening in this Class? (WIHIC) Questionnaire Using a Multidimensional Rasch Model

The What Is Happening In this Class? (WIHIC) questionnaire is a multidimensional measure for assessing the classroom learning environment based on student perspectives. The purpose of this study was to validate an Indonesian version of WIHIC and to assess the instrument's psychometric properties by using confirmatory factor analysis (CFA) and the Multidimensional Partial Credit Model (MPCM), one of the family of Polytomous Rasch model. The Indonesian WIHIC was administered to 962 high school students (368 male, 594 female), aged 14-18 years, in Jakarta, Indonesia. Results from the CFA model comparison showed that the 7-dimensional factor structure of WIHIC was satisfactory. We performed MPCM and found that this model fit the data of the Indonesian WIHIC reasonably well. Moreover, the estimated Rasch person separation reliabilities of each subscale showed that WIHIC has good internal consistency (0.87 to 0.96). The Indonesian WIHIC questionnaire appears to be a valid and reliable tool for assessing the classroom learning environment in Indonesian high school students.