958e0dfc_for_Students_with_Disabilities__Term
[Definition] A consistent score component (often observed indirectly) not related to the test performance. Related to construct-irrelevance and construct underrepresentation. [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. 183. [Term] 
Systematic error
Tool Kit on Teaching and Assessing Students With Disabilities: Models for Large-Scale Assessment for Students with Disabilities
Term