Findings from studies exploring role of joint attentional focus in children's acquisition of language indicated that language of 24 mothers and their 15- to 21-month-olds inside episodes of joint attentional focus involved more utterances, shorter sentences, more comments, and longer conversations than outside of episodes. Also, object references…

Two strategies that children use to figure out new word meanings--attention to linguistic form class and the assumption of lexical contrast--were examined. It was found that very young children use both form class and lexical contrast to interpret new words. (PCB)

Evaluates the effects of presenting verbal models following the initiations or expressions of interest of 16 children aged 28 to 34 months on both production and comprehension abilities measures. Results suggest that the timing of exposure to language models plays a critical role in language acquisition. (RJC)