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Fuchs, Douglas; And Others – American Educational Research Journal, 1985
The effects of examiner unfamiliarity on the test performance of language handicapped and nonhandicapped preschoolers and school-age children are explored. Results indicate that examiner unfamiliarity selectively depresses handicapped children's test performance, constituting a systemic source of error and threatening the validity of handicapped…
Descriptors: Communication Disorders, Comparative Analysis, Disabilities, Elementary Education