This study evaluated regular and irregular verb class distinctions in the language of two adults with severe congenital physical impairments who relied on augmentative and alternative communication (AAC) systems. Limited evidence for distinction between the two verb classes was found. Theoretical and clinical implications are discussed. (DB)

Production of the deictic verbs "bring" and "take" was evaluated among 88 normally functioning elementary school children. Results showed that data evaluation procedures greatly influenced conclusions, the second-to-emerge form was easier to learn in a conventional way, and the second term was the proactive stimulus for…

This study addressed the extent to which performance on selected verbal and nonverbal measures contributed to the prediction of inflection learning with 20 normal boys (ages 4 to 5). Results suggested that inflection learning may be tied more to other language abilities than to nonverbal cognitive skills in normally developing boys. (DB)