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…