Since 1973, the National Assessment of Educational Progress (NAEP) has gathered information about student achievement in mathematics. Results of these periodic assessments, produced in print and web-based formats, provide valuable information to a wide variety of audiences. The NAEP Assessment in mathematics has two components that differ in…

An assessment framework is like a blueprint, laying out the basic design of the assessment by describing the mathematics content that should be tested and the types of assessment questions that should be included. It also describes how the various design factors should be balanced across the assessment. This is an assessment framework, not a…

This paper reviews 15 research studies that: (1) examined effects of particular accommodations or groups of accommodations on performance: and (2) employed experimental and quasi-experimental research designs that allowed examination of the effect of the accommodation(s) on English Language Learners (ELLs) and non-ELLs. Studies looked at one or…

The paper initially describes the sources of uncertainty in National Assessment of Educational Progress (NAEP) data and standard errors. As NAEP sample sizes have increased, greater precision has been attained by the program. For this reason, exclusion effects are increasingly important. Two scenarios of revised NAEP results are presented (for New…