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Moran, Edward; And Others – 1980
Since grade-appropriate levels of standardized achievement tests must frequently be used in Elementary and Secondary Education Act Title I evaluations, there may be large discrepancies between test difficulty and the achievement level of those being tested, with resultant inaccuracies in the scores. Procedures based on the Rasch scaling model were…
Descriptors: Academic Ability, Achievement Tests, Compensatory Education, Difficulty Level
