Search results for author:"Katsunori Kotani"
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Katsunori Kotani
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Measurement of Pronunciation Difficulty using Support Vector Regression
Takehiko Yoshimi; Katsunori Kotani
EdMedia + Innovate Learning 2019 (Jun 24, 2019) pp. 729–733
This study examined a method of measuring language learners’ difficulty in pronouncing certain sentences by evaluating the measurement accuracy between different learning algorithms, the contribution of the features, and the influence of training...
Topics: Course, program, project, and other forms of evaluation
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Second language writing classification system based on word-alignment distribution
Katsunori Kotani; Takehiko Yoshimi
Themes in Science and Technology Education Vol. 3, No. 1 (2010) pp. 223–238
The present paper introduces an automatic classification system for assisting second language(L2) writing evaluation. This system, which classifies sentences written by L2 learners as eithernative speaker-like or learner-like sentences, is...
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A Prediction Model of Foreign Language Reading Proficiency Based on Reading Time and Text Complexity
Katsunori Kotani; Takehiko Yoshimi; Hitoshi Isahara
Optimizing Learning with Digital Readers Vol. 7, No. 10 (October 2010) pp. 1–9
In textbooks, foreign (second) language reading proficiency is often evaluated through comprehension questions. In case, authentic texts are used as reading material, such questions should be prepared by teachers. However, preparing appropriate...
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Effective Reading Speed for Second Language Reading Proficiency Assessment
Katsunori Kotani; Takehiko Yoshimi; Takeshi Kutsumi; Ichiko Sata; Hitoshi Isahara
World Conference on Educational Media and Technology 2007 (Jun 25, 2007) pp. 2841–2845
This study was aimed at evaluating the reliability and validity of an effective reading speed test for second language learners within the framework of the classical test theory (Brown 1996). The participants in this study were 107 Japanese EFL ...
Topics: Languages, Information Communication Technologies, Communication