@article{oai:ipsj.ixsq.nii.ac.jp:00241912,
 author = {加藤, 美希 and 井口, 拓己 and 吉野, 孝 and 高木, 伴幸 and 小池, 廣昭 and Miki, Kato and Takumi, Iguchi and Takashi, Yoshino and Tomoyuki, Takagi and Hiroaki, Koike},
 issue = {1},
 journal = {情報処理学会論文誌},
 month = {Jan},
 note = {生活習慣病は，癌や脳卒中，心筋梗塞など複数の疾患が含まれており，死に至るケースも存在するため，注意が必要な病気である．しかし，自覚症状が見られないことから，自ら生活習慣病の予防や改善に取り組む人は少ない．そのため，生活習慣病の予防を目的としたモチベーション向上システムが多数開発されており，そこで用いられている手法の1つに「競争」がある．これは，互いに影響しあうことを利用し，継続につなげる手法である．しかし，既存の競争システムの問題点として，競争相手との実力差が大きすぎる場合に，自己効力感の低下を招いてしまうことがあげられ，その部分の考慮は行われていない．そこで本論文では，競争における心理学的影響の考慮を行うことで，自己効力感の低下を防ぎ，生活習慣改善のモチベーション向上維持を目指した．具体的には，「小さな池の大魚効果」と「褒める言葉」の2つの手法を利用し，システムの開発を行った．本システムの評価結果として，ランキングにおける小さな池の大魚効果の利用は，他者より優位に立つことがモチベーションとなり，生活習慣改善を継続させる効果があると考えられる．また，「褒める言葉」は，生活習慣改善の継続を，前向きに思わせることができる一方で，機械的な言葉の使用は，持続的に関心を得られない可能性があることが判明した．, Lifestyle-related diseases include cancer, stroke, myocardial infarction, and other diseases that can lead to death. However, few people take the initiative in preventing or improving lifestyle-related diseases because they do not show any subjective symptoms. For this reason, many motivational systems have been developed to prevent lifestyle-related diseases, and one of the methods used in these systems is “competition”. This is a method that uses mutual influence and leads to continuity. However, one of the problems with existing competition systems is that they cause a decrease in self-efficacy when the difference in competitiveness is too large, and this has not been taken into account. In this paper, we examine the psychological effects of competition in order to prevent the decline in self-efficacy and to improve and maintain motivation to improve lifestyle habits. Specifically, we developed a system using two methods: the “big fish in a small pond effect” and “words of praise”. As a result of the evaluation of the system, it was found that the “big fish in a small pond effect” in ranking was effective in motivating the participants to stand out from others and to continue improving their lifestyle. In addition, it was found that while “words of praise” can make people feel positive about continuing to improve their lifestyle, mechanical words have the risk of not being viewed continuously.},
 pages = {78--88},
 title = {生活習慣の改善維持を目的としたチャットボットの提案},
 volume = {66},
 year = {2025}
}