Title

The process and rate of acquisition by second language (L2) and bilingual first language (L1) child learners: A case study of Japanese morphology

Document Type

Journal Article

Publication Title

Studies in Language Sciences: Journal of the Japanese Society for Language Sciences

Publisher

Kaitakusha

School

School of Arts and Humanities / Centre for Research in Entertainment, Arts, Technology, Education & Communications

RAS ID

20676

Comments

Originally published as: Iwasaki, J. & Itani-Adams, Y. (2015). The process and rate of acquisition by second language (L2) and bilingual first language (L1) child learners: A case study of Japanese morphology. Studies in Language Sciences: Journal of the Japanese Society for Language Sciences, 14, 30–58. Original publication available here

Abstract

This longitudinal study analyzes the acquisition of some aspects of Japanese morphology by two children within the framework of Processability Theory (PT) (Pienemann, 1998a). Both children were acquiring Japanese in an English-Japanese bilingual context, but one was acquiring Japanese as a second language (L2) and the other as a first language (L1) at the time of the study. The study focuses particularly on the process and rate of acquisition by the two children and examines whether they acquired selected Japanese morphological structures in a similar manner. The results show that both the L2 child and the bilingual L1 child took a similar route in the process of acquiring morphology in Japanese. However, the acquisition rate of the L2 child was faster than that of the bilingual L1 child. This may be attributed to the different levels of generic cognitive development and the developmental stage of the other language on which the two children of different ages built their acquisition of Japanese.

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