Motivation, investment, and identity in English language development: A longitudinal case study

In this study I investigated the development of complexity, accuracy, and fluency (CAF) in the English writing of 2 Japanese university students of elementary-to-low-intermediate English proficiency over the course of 1 academic year. Data were analyzed from a dynamic systems theory (DST) perspective using min-max graphs, moving correlation coefficients, and a Monte Carlo analysis. The findings show that (a) the CAF measures followed nonlinear trajectories in their development, (b) they often did not correlate positively with one another, and (c) they sometimes showed signs of improvement during phases of high intravariability. The findings suggest that to understand the developmental trajectories and processes involved in language development more deeply, cross-sectional studies of developmental trends of groups should be supplemented with longitudinal studies that examine language development in individual learners. 本研究では日本人大学生（初級から中級下レベル）二名の英文ライティングの熟達度を一年間にわたり、複雑さ、正確さ、流暢さ　(complexity, accuracy, and fluency: CAF)　の指標から調査を行った。データ分析はダイナミックシステム理論の観点から、ミニマックスグラフ、移動相関係数、モンテカルロ分析を使用して行った。その結果、(a) 両者のＣＡＦの発達軌跡は非線形であり、(b) ＣＡＦのすべてが互いに正の相関関係をとることはほぼなかった。さらに (c) 学習者個人内のＣＡＦの軌跡が大きく変動した後に発達の兆候がみられることがあった。本結果から、言語発達の軌跡やそのプロセスをさらに理解するためには、グループ間を比較する横断研究を、個々の学習者を調査する長期的研究で補完することを提案する。

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Pemerolehan Bahasa dan Penggunaan Bahasa Anak Usia Sekolah Dasar

JPI (Jurnal Pendidikan Indonesia): Jurnal Ilmiah Pendidikan ◽

10.20961/jpi.v5i1.33836 ◽

2019 ◽

Vol 5 (1) ◽

Author(s):

Tri Mahajani, Ruyatul Hilal Muhtar

Keyword(s):

Language Acquisition ◽

English Language ◽

School Level ◽

Longitudinal Case Study ◽

Making Meaning ◽

System A ◽

Language Structure ◽

Learner Language ◽

Descriptive Method

<p>Abstract. The present study aims to examine a description of language acquisition and its usage by pupils in their daily conversations. This study employed a longitudinal case study and applieda descriptive method, while it used a content analysis for the research technique. The resultrevealed a finding upon the young learner language acquisition and its usage, the language acquisition included Bahasa Indonesia, Javanese language, Sundanese language and English language. The uses of language for a system, a personal expression, and an interpersonal expression were broad good enough and were uttered structurally, however, mistakes were founded on applying structures and making meaning to language in use. To pupils whom are at elementary school level, they have acquired a range of language structure and its use for perfection. Their parents, teachers, and their society have any real and valuable<br />influence over them in the way language is structured and is used for exemplifying examples ofthe perfect language acquisition.</p>

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