In response to the need to develop leaders to guide the implementation of the Next Generation Science Standards (NGSS), the Carnegie Corporation of New York provided funding to WestEd to develop a framework that defines the leadership knowledge and actions needed to effectively implement the NGSS. The development of the framework entailed…

Much has already been written on the controversies surrounding the use of different test theories in educational assessment. Other authors have noted the prevalence of classical test theory over item response theory in practice. This Special Issue draws together articles based upon work conducted on the Reliability Programme for England's…

Thoroughly updated and expanded, this fourth edition focuses on the use of curriculum-based assessment to ensure learning disabled and low achieving students adequate educational opportunities. The text explores ways of providing detail and explanation in the context of current and emerging issues in educational assessment and standards. The point…