958e0dfc_for_Students_with_Disabilities__Term
[Definition] In a statistical context, a systematic error in a test score. In discussing test fairness, bias may refer to construct underrepresentation or construct-irrelevant components of test scores that differentially affect the performance of different groups of test takers. [Source] American Educational Research Association, American Psychological Association, & National Council on Measurement in Education. (1999). Standards for educational and psychological testing. Washington, DC: American Educational Research Association, p. 172. [Term] 
Bias
Tool Kit on Teaching and Assessing Students With Disabilities: Models for Large-Scale Assessment for Students with Disabilities
Term