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Lapadat, Judith C. – Journal of Learning Disabilities, 1991
This meta-analysis of 33 studies compared the pragmatic language skills of 825 students (ages 3-12) having language and/or learning disabilities with the skills of nondisabled peers. The students with disabilities demonstrated consistent and pervasive pragmatic deficits in conversation, which were more attributable to underlying language deficits…
Descriptors: Comparative Analysis, Discourse Analysis, Language Handicaps, Language Patterns

Houck, Cherry K.; Billingsley, Bonnie S. – Journal of Learning Disabilities, 1989
A study compared the writing productivity, syntactic maturity, vocabulary, and mechanics of 48 learning-disabled and 48 normally achieving students in grades 4, 8, and 11. Learning-disabled students' written products were shorter, contained fewer sentences with more words per sentence, included fewer long words, and had more spelling and…
Descriptors: Comparative Analysis, Elementary Secondary Education, Grade 11, Grade 4