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Powell, William R. – 1978
To improve the accuracy of the informal reading inventory (IRI), a differential set of criteria is necessary for both word recognition and comprehension scores for different levels and reading conditions. In initial evaluation, word recognition scores should reflect only errors of insertions, omissions, mispronunciations, substitiutions, unkown…
Descriptors: Classroom Observation Techniques, Elementary Education, Evaluation Criteria, Informal Assessment