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Peer reviewedThal, Donna J.; And Others – Applied Psycholinguistics, 1995
Toddlers in the lowest 10th percentile for lexical production were compared with age- and language-matched controls on measures of phonetic complexity, lexical development, and grammatical complexity. Results indicate an overlap between phonology, lexicon, and grammar and suggest the importance of true consonant production for lexical development.…
Descriptors: Child Language, Consonants, Control Groups, Data Analysis
Aaronson, May; And Others – 1978
As a preschool screening instrument, the Preschool Preposition Test (PPT) can play an important role in the early identification of cognitive delay. PPT scores increase appropriately with chronological age. Cognitive data demonstrate impressive correlations with recognized intelligence tests (the Stanford-Binet and the Peabody Picture Vocabulary…
Descriptors: Academic Achievement, Comparative Testing, Compensatory Education, Diagnostic Tests
