Development of Topic Manipulation Skills in Discourse

This study investigated the manipulation of discourse topic in spontaneous conversation in three age groups. Subjects consisted of six dyads of peers at each of the following age levels (years:months): 5:0–5:11, 9:0–9:11, and adults. Fifteen min of discourse were taped, transcribed, and analyzed for each age level. Patterns of topic introduction, reintroduction, maintenance, and shading were considered at each age level. Although considerable variation within groups was evident, the results suggested several developmental trends. The number of topics introduced and reintroduced in the sampling period decreased with age, whereas the proportion of topics maintained increased with age. Additionally, subjects maintained topics for longer sequences of utterances with increasing age. Topic shading also increased with age. These results are discussed with regard to patterns of development, and clinical implications are considered.

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