• Title/Summary/Keyword: Glicko system

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English Vocabulary Learning Application Development Applying Forgetting Curve and Match Result Based Rating System (망각곡선과 대결 기반 순위 결정 시스템을 적용한 영어 단어 학습 어플리케이션 개발)

  • Youm, Kiho;Oh, Kyoungsu;Chun, Youngjae
    • Journal of Korea Game Society
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    • v.15 no.3
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    • pp.151-160
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    • 2015
  • This paper presents English vocabulary memorization system using forgetting curve to automatically adjust the vocabulary difficulty to match learner's level. Our system will decide the appropriate repetition cycle, depending on the number of memorizing words through the forgetting curve, then requires an iterative learning. No matter what learners know or do not know, words are reviewed. To save time by reviewing some words which have the highest probability that learners forget. And it provides vocabulary based on learner level, which makes learner maintain their interest and achievement. A general system provides vocabularies which difficulty matches with evaluated ones, or randomly provides some vocabularies without consideration of users' level. But we apply the "Glicko" system which is being used in the online chess game ranking system to adjust the vocabulary's difficulty. We utilize the system used in the one-by-one player system to our vocabulary-human system. As a result, learners's level and the vocabularies's difficulty is measured in the review process. Moreover it maximizes the performance of English vocabulary memorization by applying feedbacks from practice testing and distributed learning.