Developmental process of children's meta-linguistic awareness on the difference between standard and dialectal Japanese.

本研究旨在发展一种方法论技术，揭示日本北方地区儿童元语言意识的发展水平，并阐明标准语和方言语码转换能力的元语用发展过程。根据语言社会化的发展事实，我们还试图发展一种语言社会化理论。本研究从三个方面探讨了儿童语言用途：（1）实验情境中元语言意识的发展; 2（2）自然语篇中体裁转换的发展; 3（3）语言多样性元语用意识形成的实验教育。

This research aimed at developing a methodological techniques for revealing developmental level of children's meta-linguistic awareness and explicating the meta-pragmatic development process for code switching ability between standard and dialectal Japanese in northern area of Japan. According to the developmental facts, we also aimed at developing a theory of language socialization. we focused on the following three aspects of developmental process in child language use :(1) development of meta-linguistic awareness in experimental situation ;(2) development of genre switching in natural discourses ;(3) experimental education for shaping of meta-pragmatic awareness on linguistic diversity.