The study aims to determine the instrument's validity and reliability in measuring construct of teachers' knowledge. cross-sectional survey research design used a quantitative approach, with pilot data obtained from 100 primary school teachers Trust School Programmed Selangor, Malaysia. selection samples was based on two-stage random sampling strategy. In this study, teacher's knowledge instrum...

Valid and reliable measures are critical to theory development as they facilitate theory testing in empirical research. Efforts in scale development have been put on ensuring aspects of validity. In this paper, the authors address a specific topic of construct validity assessment in scale development. Using data from the five leading IS journals between 1989-2008, in this paper, the authors det...