| How long does it take English learners to attain proficiency K Hakuta | 1776 | 2000 |
| What level of English proficiency do elementary school teachers need to attain to teach EFL? Case studies from Korea, Taiwan, and Japan YG Butler TESOL quarterly 38 (2), 245-278, 2004 | 637 | 2004 |
| The implementation of communicative and task-based language teaching in the Asia-Pacific region YG Butler Annual review of applied linguistics 31, 36-57, 2011 | 568 | 2011 |
| Bilingualism and second language acquisition YG Butler, K Hakuta The handbook of bilingualism, 114-144, 2006 | 542 | 2006 |
| Current Japanese reforms in English language education: The 2003 “action plan” YG Butler, M Iino Language policy 4, 25-45, 2005 | 443 | 2005 |
| 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 YG Butler Studies in second language acquisition 24 (3), 451-480, 2002 | 443 | 2002 |
| The effects of self-assessment among young learners of English Y Goto Butler, J Lee Language testing 27 (1), 5-31, 2010 | 415 | 2010 |
| How are nonnative‐English‐speaking teachers perceived by young learners? YG Butler TESOL quarterly 41 (4), 731-755, 2007 | 347 | 2007 |
| English language education among young learners in East Asia: A review of current research (2004–2014) YG Butler Language teaching 48 (3), 303-342, 2015 | 260 | 2015 |
| Comparative perspectives towards communicative activities among elementary school teachers in South Korea, Japan and Taiwan YG Butler Language Teaching Research 9 (4), 423-446, 2005 | 243 | 2005 |
| Bilingualism/multilingualism and second‐language acquisition YG Butler The handbook of bilingualism and multilingualism, 109-136, 2012 | 206 | 2012 |
| Parental factors and early English education as a foreign language: A case study in Mainland China YG Butler Research papers in education 29 (4), 410-437, 2014 | 198 | 2014 |
| On‐task versus off‐task self‐assessments among Korean elementary school students studying English YG Butler, J Lee The Modern Language Journal 90 (4), 506-518, 2006 | 175 | 2006 |
| Foreign language education at elementary schools in Japan: Searching for solutions amidst growing diversification YG Butler Current issues in language planning 8 (2), 129-147, 2007 | 171 | 2007 |
| Parental factors in children’s motivation for learning English: A case in China YG Butler Research papers in Education 30 (2), 164-191, 2015 | 167 | 2015 |
| Factors associated with the notion that native speakers are the ideal language teachers: An examination of elementary school teachers in Japan YG Butler JALT journal 29 (1), 7, 2007 | 148 | 2007 |
| The use of computer games as foreign language learning tasks for digital natives YG Butler System 54, 91-102, 2015 | 131 | 2015 |
| A longitudinal investigation of parental social-economic status (SES) and young students’ learning of English as a foreign language YG Butler, VN Le System 73, 4-15, 2018 | 128 | 2018 |
| Content-based instruction in EFL contexts: Considerations for effective implementation YG Butler Jalt Journal 27 (2), 227, 2005 | 123 | 2005 |
| Online games for young learners’ foreign language learning YG Butler, Y Someya, E Fukuhara Elt Journal 68 (3), 265-275, 2014 | 101 | 2014 |
