To investigate the development of the NP selection process, preferences for overt or null Spanish subject pronouns were elicited from 139 children (5;09 to 15;08) and 30 adults in Mexico. Participants were told stories in which consecutive grammatical subjects shared the same referent (same-reference), or did not (switch-reference). In the…

Impromptu speech is characterized by the simultaneous processes of ideation (the elaboration and structuring of reasoning by the speaker as he improvises) and expression in the speaker. Other elements accompany this characteristic: division of speech flow into short segments, acoustic relief in the form of word stress following a pause, and both…

Starting with a model for explaining comprehension and noncomprehension of verbal material in terms of a match/mismatch principle, this project developed a scale of language usage and explored hypotheses about how comprehension may become possible if a child does not now comprehend some particular oral or written text. Eight separate reports are…