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Pendergast, Kathleen; And Others – Exceptional Children, 1966
In order to investigate the effect of kindergarten upon articulation of first grade children, 15,255 first grade children were tested for articulation problems. One-half were tested in 1960 because Seattle had had no kindergarten program in 1959. The other half were tested in 1961 because Seattle reinstituted a kindergarten program in 1960.…
Descriptors: Articulation (Speech), Educational Experience, Exceptional Child Research, Grade 1