| Vocabulary knowledge and speaking proficiency among second language learners from novice to intermediate levels R Koizumi, Y In'nami Journal of Language teaching and Research 4 (5), 900, 2013 | 152 | 2013 |
| Effects of text length on lexical diversity measures: Using short texts with less than 200 tokens R Koizumi, Y In'nami System 40 (4), 554-564, 2012 | 128 | 2012 |
| A meta-analysis of test format effects on reading and listening test performance: Focus on multiple-choice and open-ended formats Y In'nami, R Koizumi Language Testing 26 (2), 219-244, 2009 | 106 | 2009 |
| Relationships between text length and lexical diversity measures: Can we use short texts of less than 100 tokens R Koizumi Vocabulary Learning and Instruction 1 (1), 60-69, 2012 | 94 | 2012 |
| Current issues in large-scale educational assessment in Japan: Focus on national assessment of academic ability and university entrance examinations N Kuramoto, R Koizumi Assessment in education: principles, policy & practice 25 (4), 415-433, 2018 | 62 | 2018 |
| Factor structure of the revised TOEIC® test: A multiple-sample analysis Y In’nami, R Koizumi Language Testing 29 (1), 131-152, 2012 | 56 | 2012 |
| Structural equation modeling in language testing and learning research: A review Y In'nami, R Koizumi Language Assessment Quarterly 8 (3), 250-276, 2011 | 50 | 2011 |
| Relationships between productive vocabulary knowledge and speaking performance of Japanese learners of English at the novice level R Koizumi University of Tsukuba, Japan, 2005 | 49 | 2005 |
| Structural equation modeling in educational research: A primer Y In’nami, R Koizumi Application of structural equation modeling in educational research and …, 2013 | 43 | 2013 |
| Development of a practical speaking test with a positive impact on learning using a story retelling technique A Hirai, R Koizumi Language assessment quarterly 6 (2), 151-167, 2009 | 42 | 2009 |
| Validation of empirically derived rating scales for a story retelling speaking test A Hirai, R Koizumi Language Assessment Quarterly 10 (4), 398-422, 2013 | 39 | 2013 |
| Changes in speaking performance of Japanese high school students: The case of an English course at a SELHi R KOIZUMI, K KATAGIRI ARELE: Annual Review of English Language Education in Japan 18, 81-90, 2007 | 36 | 2007 |
| Task and rater effects in L2 speaking and writing: A synthesis of generalizability studies Y In’nami, R Koizumi Language testing 33 (3), 341-366, 2016 | 35 | 2016 |
| Database selection guidelines for meta-analysis in applied linguistics Y In'nami, R Koizumi TESOL Quarterly 44 (1), 169-184, 2010 | 34 | 2010 |
| Speaking performance measures of fluency, accuracy, syntactic complexity, and lexical complexity R Koizumi JABAET (Japan-Britain Association for English Teaching) Journal 9, 5-33, 2005 | 33 | 2005 |
| Review of sample size for structural equation models in second language testing and learning research: A Monte Carlo approach Y In’nami, R Koizumi International Journal of Testing 13 (4), 329-353, 2013 | 22 | 2013 |
| Vocabulary and speaking R Koizumi The encyclopedia of applied linguistics, 1-7, 2012 | 21 | 2012 |
| Predicting speaking ability from vocabulary knowledge R KOIZUMI JLTA Journal Kiyo 7, 1-20, 2005 | 20 | 2005 |
| Development and validation of a diagnostic grammar test for Japanese learners of English R Koizumi, H Sakai, T Ido, H Ota, M Hayama, M Sato, A Nemoto Language Assessment Quarterly 8 (1), 53-72, 2011 | 19 | 2011 |
| The effects of motivation, language anxiety, and test anxiety on English proficiency of Japanese junior high school students R KOIZUMI JLTA Journal Kiyo 5, 91-110, 2002 | 16 | 2002 |
Yo In'namiChuo University確認したメール アドレス: tamacc.chuo-u.ac.jp
