The purpose of this National Assessment of Educational Progress (NAEP) Achievement Levels Validity Argument Report is to synthesize evidence currently available to address the validity of the interpretations and uses of the NAEP Achievement Levels. Validity is the extent to which theory and evidence supports or refutes proposed and enacted test…

This study presents a conceptual and evidentiary study pertaining to the micro and macro level factors influencing the achievement gap among migrant children from a cross-national standpoint. First, this study provides the most systematic investigation of the immigrant educational paradox theory, which asserts that on average, immigrants'…

International large-scale assessments of achievement often have a large degree of differential item functioning (DIF) between countries, which can threaten score equivalence and reduce the validity of inferences based on comparisons of group performances. It is important to understand potential sources of DIF to improve the validity of future…