Developing and Improving Modified Achievement Level Descriptors: Rationale, Procedures, and Tools

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A report providing a rationale, procedures, and tools to develop and continuously improve alternate assessments based on modified achievement standards (AA-MAS) achievement level descriptors (ALDs). As states make decisions on whether and how to develop an AA-MAS, they will also be developing a defense of the choices they make. This paper proposes a process to guide state work so that stakeholders and policymakers can articulate, from the very beginning, the educational rationale for their choices and the implications of this rationale for the specific design choices they make related to their ALDs.

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