In the 1950s, the assessment and management of children with language impairments emphasized their auditory and visual processing deficits and relied heavily on classifications of adult language disorders. Many compelling theoretical insights were offered, but research in language acquisition was in its infancy. It was not until the 1960s and…

Prior research has shown that vocabulary instruction can enhance the comprehension of passages when instruction includes definitional and contextual information, provides multiple instructional encounters with the words, and requires learners to engage actively in processing of word meanings (M. F. Graves, 1986; S. A. Stahl & M. M. Fairbanks,…