An Investigation of the Relationships Between Articulatory Development and Development of Phonetic Discrimination and Word Synthesis Abilities in Young Mentally Retarded Children and Normal Children: December 1, 1956-March 31, 1959Office of Research in Special Education and Rehabilitation, Syracuse University Research Institute, 1959 - Children - 132 pages |
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accurate administrations appear APPENDIX articulation ability articulation development articulation errors articulation test articulatory assessed auditory auditory perceptual chair computed contained Correlation Coefficients crimination defective different from zero discrimination and synthesis discrimination and word discrimination test distortion equating examiners factors five percent level four functional improvement individual initial intelligence Journal of Speech judged judgements jump level of confidence mean measures mental age mentally retarded month normal and retarded normal subjects Note obtained omission pairs percentages phonetic discrimination portion possible present procedure production reached recorded relationship reliability RESPONSE WORD RESPONSE retarded children retarded group Retarded Subjects School selected shoe showed shown in Table significant significantly different skills Sound Speech and Hearing standard deviations stimuli subject groups substitution suggest synthesis tests test scores TOTAL TOTAL utilized vine WORD RESPONSE WORD word synthesis zipper