A paper by Keenan and Klein (1975) provided evidence for the hypothesis that conversationality is present in children as young as 2 and 1/2 years of age. Results of the study indicated that before the emergence of more adult-like coherency operations, the children passed through a period in which such operations were foreshadowed by vocal play.…

Literature on the sighted child suggests that blind children might be delayed in language acquisition and/or restricted in the semantic content of their utterances and in the communicative intentions they express. This study questions the use of guidelines appropriate for monitoring sighted children in the study of language development in blind…

A study is reported relevant to the relationship between first words learned by children and gestural symbolization under a variety of contextual conditions. It is part of a larger longitudinal study of 32 children at 10, 13, 20, and 27 months of age. The children were seen in three standardized situations for eliciting gestural and vocal symbols:…