In a study using preschool and elementary school children, the children's judgments of whether brief stories described valid instances of a concept shifted in a manner consistent with the authors' hypothesis that meanings typically develop from representations in which characteristic features predominate to those in which defining features become…

Analyzes ellipsis, pronominalization, emphatic stress, the indefinite article, the definite article, and initialization as used by child and adult speakers of English, Hungarian, and Italian. Conclusions: marked differences between the languages; early learning of the functions of the devices; some changes with age. (Author/EJS)