Recent Center for Research on Education Outcomes (CREDO) analyses find that cyber charter schools in seventeen states show consistently low reading and mathematics value-added test scores compared to traditional public schools serving comparable students. This generally accords with prior research. We hypothesize that the relatively poor…

The present study examined the reliability of the reading, listening, speaking, and writing section scores for the TOEFL iBT® test and their interrelationship in order to collect empirical evidence to support, respectively, the "generalization" inference and the "explanation" inference in the TOEFL iBT validity argument…

The research problem addressed in this study focused on the students' assessment issue. Although the assessment of student learning should form part of the curriculum of school programs, many educational institutions do not make student assessment part of their teaching and learning routines. A holistic and integrated framework, which encompasses…

This study investigates the value of reporting the reading, listening, speaking, and writing section scores for the "TOEFL iBT"® test, focusing on 4 related aspects of the psychometric quality of the TOEFL iBT section scores: reliability of the section scores, dimensionality of the test, presence of distinct score profiles, and the…