Language development after adolescence : Diversification of registers and its situated uses.

本研究的重点是青春期后的发展过程，这与语域的多样化和它的情境用途有关。我们还旨在构建一个新的语言发展模型，该模型揭示了儿童成长后期和青春期早期的关键转变过程。数据来自人们使用标准日语和白话日语的地区。这些异质性将突出青春期以后的社会和情景发展。我们做了以下三项研究：(1)语域用法的问卷调查。(2)日常语篇中语域的多样化。(3)白话语域与终身语言发展的关系。

This research focuses on the developmental process after adolecence, which has to do with Diversification of registers and its situated uses. And we also aimed at constructiong a new language denelopment model which sheds light on the critical shifting processes around late childfood and young adolescence. The data are from the area in whic peple uses standard Japanese as well as vernarcular Japanese. These heterogeneity will highlight the social and situational development after adolescence.We have done the following three researches :(1) Questionnaire research on register usages.(2) The diversification of registers in everyday discourse.(3) Nrrative on vernacular registers and life-course language development.