The purpose of this non-experimental quantitative study was to investigate the relationship between Pennsylvania's Classroom Diagnostic Tools (CDT) interim assessments and the state-mandated Pennsylvania System of School Assessment (PSSA) and to create linear regression equations that could be used as models to predict student performance on the…

Introduction: This study investigated differential item functioning (DIF) of test items on Pennsylvania's Alternate System of Assessment (PASA) for students with visual impairments and severe cognitive disabilities and what the reasons for the differences may be. Methods: The Wilcoxon signed ranks test was used to analyze differences in the scores…

The federal No Child Left Behind Act (NCLB) brought new challenges and opportunities for the Pennsylvania System of School Assessment (PSSA). Like many states, Pennsylvania was faced with adding assessments in grades 4, 6 and 7 in reading and mathematics. However, unlike most states, Pennsylvania did not respond to NCLB by simply adding…