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Validity and Reliability of the Red-Green AO H-R-R Pseudoisochromatic Plates with Mentally Retarded Children

1971; SAGE Publishing; Volume: 33; Issue: 3_suppl Linguagem: Inglês

10.2466/pms.1971.33.3f.1071

1558-688X

John Salvia, James E. Ysseldyke,

Health Systems, Economic Evaluations, Quality of Life

69 institutionalized mentally retarded children were examined to determine the reliability and validity of the 14 red-green plates of the H-R-R pseudoisochromatic plates. The stability of the raw score and diagnosis, and the internal consistency were evaluated in addition to the validity of the diagnosis and the validity of the individual plates. The results indicated high internal consistency but low stability and validity. Use of the H-R-R plates with mentally retarded children is not recommended.