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Download full textMiddleton, Kyndra; Dorans, Neil J. – Educational Testing Service, 2011
Extreme linkings are performed in settings in which neither equivalent groups nor anchor material is available to link scores on two assessments. Examples of extreme linkages include links between scores on tests administered in different languages or between scores on tests administered across disability groups. The strength of interpretation…
Descriptors: Equated Scores, Testing, Difficulty Level, Test Reliability
Steinberg, Jonathan; Cline, Frederick; Sawaki, Yasuyo – Educational Testing Service, 2011
This study examined the scores on a state standards-based Grade 5 Science assessment obtained by a group of students without learning disabilities who took the standard form of the test and by three groups of students with learning disabilities: one taking the standard form of the test without accommodations or modifications, a second taking the…
Descriptors: Learning Disabilities, State Standards, Educational Improvement, Science Tests
