Experimental studies demonstrate that contrast helps toddlers to extend the meanings of novel adjectives. This study explores whether antonym co-occurrence in spontaneous speech also has an effect on adjective use by the child. The authors studied adjective production in longitudinal speech samples from 16 children (16-36 months) acquiring eight…

The 1990s witnessed a major expansion in research on children's morphosyntactic development, due largely to the availability of computer-searchable corpora of spontaneous speech in the CHILDES database. This led to a rapid emergence of parallel findings in different languages, with much attention devoted to the widely attested difficulties in…

Argues that root infinitives produced by Italian toddlers learning a second language are truncated structures, arising from the option of "stripping off" external clausal layers. The basic properties of the construction are shown to be amenable to the Truncation Hypothesis, in that root infinitives are incompatible with /wh/ elements,…