A literature review identified behaviors representative of the normal stages of communication, cognition, and vocalization in children's prelinguistic period. Results were organized as a checklist for assessment of at-risk infants. The checklist is recommended for monitoring infant development, supplementing formal screenings and diagnostic tools,…

This study evaluated the recognition and retention of transparent and nontransparent manual signs by 50 sign-naive hearing college freshmen. There was a significant decrease in the number of nontransparent signs retained as the period of time after training increased. Implications for sign language training with nonverbal hearing persons are…