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Yuko Goto Butler

Researcher at University of Pennsylvania

Publications -  67
Citations -  3883

Yuko Goto Butler is an academic researcher from University of Pennsylvania. The author has contributed to research in topics: Foreign language & Language proficiency. The author has an hindex of 27, co-authored 62 publications receiving 3471 citations. Previous affiliations of Yuko Goto Butler include Stanford University.

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How Long Does It Take English Learners to Attain Proficiency

TL;DR: This article found that even in two California districts that are considered the most successful in teaching English to LEP students, oral proficiency takes 3 to 5 years to develop, and academic English proficiency can take 4 to 7 years.
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What Level of English Proficiency Do Elementary School Teachers Need to Attain to Teach EFL? Case Studies from Korea, Taiwan, and Japan.

TL;DR: In this article, elementary school teachers from Korea, Taiwan, and Japan were asked to self-evaluate their English proficiencies as well as to specify the minimum level of proficiency that they felt was needed to teach English at the elementary school level.
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The Implementation of Communicative and Task-Based Language Teaching in the Asia-Pacific Region

TL;DR: In this paper, the authors suggest potential options for moving forward, including employing more contextually feasible and flexible interpretations of CLT and TBLT, implementing decentralized or innovative language-in-education policies, and creating communities of learning outside of the classroom as well as in the classroom.
Book ChapterDOI

Bilingualism and Second Language Acquisition

TL;DR: Most EAL and bilingual learners will develop a functional level of English in the first two years of schooling in English but they will need continued support to develop the cognitive academic language proficiency necessary for academic success.
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Second Language Learners' Theories on the Use of English Articles: An Analysis of the Metalinguistic Knowledge Used by Japanese Students in Acquiring the English Article System.

TL;DR: The authors examined the metalinguistic knowledge of the English article system that learners employ when selecting articles in a given situation, which may account for learners' errors in article use across different proficiency groups.