コミュニケーション発達研究グループ

2025

論文

1. Oshima-Takane, Y., Kobayashi, T., & Chan, E. (2025). Learning novel transitive verbs in causative action events: A cross-linguistic comparison between English- and Japanese-speaking infants. Journal of Experimental Child Psychology, 256, 106258. doi: 10.1016/j.jecp.2025.106258
2. Zhao J, Kobayashi T, Haryu E. (2025). Impact of talker variability on language development in two-year-olds. Journal of Child Language, 52(2), 425-447. https://doi:10.1017/S0305000924000084
3. 白石紗衣･齋藤岳人･樋口大樹･小林哲生･井上和哉 (2025). 漢字の複雑性を表す指標としての周囲長複雑度の妥当性. 心理学研究, 96.23314. https://doi.org/10.4992/jjpsy.96.23314
4. 佐藤栞･樋口大樹･篠原亜佐美･小林哲生･西村倫子･岩渕俊樹･土屋賢治 (2025). 日本における言語発達の年上きょうだい効果. 心理学研究, 96.24301. https://doi.org/10.4992/jjpsy.96.24301

国際会議

1. Sato, S., Higuchi, H., & Kobayashi, T. (2025). Effect of birth order on picture book reading in Japanese 0- to 5-year-olds. Poster presented at the 50th Boston University Conference of Language Development (BUCLD50), Boston, USA.
2. Kondo, M., Shinohara, A., Higuchi, H., Kobayashi, T., Nishimura, T., Iwabuchi, T., & Tsuchiya, K. (2025). Imitative ability is related to ASD traits, gross motor, and receptive language at 14 months. Poster presented at 22nd European Conference on Developmental Psychology (ECDP2025), Vilnius, Lithuania.
3. Shinohara, A., Narasaki, M., & Kobayashi, T. (2025). Young children exhibit homophily in social-conventional norms within their peer social network. Poster presented at 22nd European Conference on Developmental Psychology (ECDP2025), Vilnius, Lithuania.
4. Kondo, M., Shinohara, A., Higuchi, H., Kobayashi, T., Nishimura, T., Iwabuchi, T., & Tsuchiya, K. (2025). Children who imitate more at 14 months show better adaptive functions at 8 years: Evidence from a large-scale birth cohort study in Japan. Poster presented at the Biennial Conference for the Society for Research in Child Development (SRCD2025), Minneapolis, USA.

2024

論文

1. Shinohara, A., Narazaki, M., & Kobayashi, T. (2024). Children draw favorite peers close to them in pictures: Longitudinal evidence from picture-drawing task and social network analyses. International Journal of Behavioral Development, 49(1), 80-88. https://doi.org/10.1177/01650254241265600
2. Shinohara, A., Kanakogi, Y., Okumura, Y., & Kobayashi, T. (2024). Children are sensitive to the number of sources when relying on gossip. Royal Society Open Science, 11: 230375. https://doi.org/10.1098/rsos.230375
3. Okumura, Y., Higuchi, H., Sakamoto, Y., Minami, Y., Mugitani, R., Ito, K., & Kobayashi T. (2024). Language Development of Japanese Children Raised in Institutional Care. Child: Care, Health and Development, 50(6), e70000. https://doi.org/10.1111/cch.70000
4. Motoyama, H., Ikeda, A., & Okumura, Y. (2024). How people evaluate individuals who act morally prior to acting immorally: An examination of developmental change in moral evaluation, social preference, and prediction of moral behaviors. Journal of Experimental Child Psychology, 248, 106065. https://doi.org/10.1016/j.jecp.2024.106065
5. Okumura, Y., Taguchi, S., & Kanakogi, Y. (2024). How are mental state references represented in English and Japanese picture books? An analysis of the frequency of emotional and cognitive words and their relation to the self or others. Social Development, 33(3), e12731. https://doi.org/10.1111/sode.12731

国際会議

1. Sato, H., Higuchi, H., Shinohara, A., Kobayashi, T., Nishimura, T., Iwabuchi, T., & Tsuchiya, K. (2024). Older sibling effect on language development disappears in elementary school-aged children. Poster preseted at the 49th Boston University Conference on Language development (BUCLD49), Boston, USA.
2. Watanabe, N., Hattori, T., & Kobayashi, T. (2024). Developing a large−scale Japanese emotion word database: A Tool to promote children’s emotional development. Paper presented at 45th Annual Conference of International School Psychology Association (ISPA), Riga, Latvia.
3. Hattori, T., Furuta, T., Watanabe, N., & Kobayashi, T. (2024). Effects of familiarity on emotion word ratings: Developing a Japanese large-scale emotion word database. Paper presented at 45th Annual Conference of International School Psychology Association (ISPA), Riga, Latvia.
4. Sato, S., Higuchi, H., Shinohara, A., Kobayashi, T., Nishimura, T., Iwabuchi, T., & Tsuchiya, K. (2024). Effect of older siblings on language development in Japanese-speaking children: A longitudinal birth cohort study. Poster presented at 45th Annual Conference of International School Psychology Association (ISPA), Riga, Latvia.

2023

論文

1. Shinohara, A., Narazaki, M., & Kobayashi, T. (2023). Children's affiliation toward peers reflected in their picture drawings. Behavior Research Methods, 55(5), 2733-2742. https://doi.org/10.3758/s13428-022-01924-2
2. Okumura, Y., Hattori, T., Fujita, S., & Kobayashi, T. (2023). A robot is watching me! Five-year-old children care about their reputation after interaction with a social robot. Child Development. https://doi.org/10.1111/cdev.13903
3. 松田昌史･奥村優子･小林哲生･樋口大樹 (2023). 児童相談所への虐待通告の地域差: 都道府県単位の人口密度を用いた分析. 厚生の指標, 70(13), 2-6.
4. Okumura, Y., & Kobayashi, T. (2023). Do infants understand educational television content based on scientific findings? Journal of Experimental Child Psychology, 229, 105620. https://doi.org/10.1016/j.jecp.2022.105620
5. Okumura, Y., Oshima-Takane, Y., Kobayashi, T., Ma, M., & Kayama, Y. (2023). Comprehension of Null and Pronominal Object Sentences in Japanese-speaking Children. Language Learning & Development, 19(2), 151-166. https://doi.org/10.1080/15475441.2022.2050235

国際会議

1. Shiraishi, S., Saito, T., Higuchi, H., Inoue, K., & Kobayashi, T. (2023). Perimetric complexity is a valid index for the subjective complexity of Japanese characters. Proceedings of the Annual Meeting of the Cognitive Science Society (CogSci2023), Vol 45, p.3974, P2-HH-233-1365.
2. Higuchi, H., Park, K., Inoue, K., & Kobayashi, T. (2023). Unconscious learning of orthographic regularity. P Proceedings of the Annual Meeting of the Cognitive Science Society (CogSci2023), p.3855, P3-HH-358-1395.
3. Saito, T., Inoue, K., Higuchi, H., & Kobayashi, T. (2023). Discriminability of picture book typeface in children. Proceedings of the Annual Meeting of the Cognitive Science Society (CogSci2023), p.3975, P3-HH-359-1968.
4. Hattori, T., Sawada, H., Fujita, S., Kobayashi, T., Kamei, K., & Naya, F. (2023). Monotonic Variational AutoEncoder-based individually optimized problem recommender system. Proceedings of 13th International Conference on Learning Analytics & Knowledge (LAK23), pp.71-74.
5. Hiroya, S., Kamei, K., Hattori, T., & Naya, F. (2023). Investigation to deploy speech rhythm converters for English-language learners in Japanese high schools. Proceedings of 13th International Conference on Learning Analytics & Knowledge (LAK23), pp.111-113.

2022

論文

1. Kanakogi, Y., Miyazaki, M., Takahashi, H., Yamamoto, H., Kobayashi, T., & Hiraki, K. (2022). Third-party punishment by preverbal infants. Nature Human Behaviour. http://doi.org/10.1038/s41562-022-01354-2
2. Okumura, Y., & Kobayashi, T. (2022). Effects of maternal picture book knowledge on language development of 15-month olds. Infant and Child Development, 31(2), e2291. https://doi.org/10.1002/icd.2291
3. 石川知夏・小林哲生 (2022). 日本語１モーラ音に対する丸さ‐鋭さ評定：ブーバ/キキ効果に関連する子音の分析. 認知科学, 29(4), 549-556. https://doi.org/10.11225/cs.2022.002
4. Shinohara, A., & Kobayashi, T. (2022). Children's understanding of friendship formation caused by gossip. Journal of Experimental Child Psychology, 217, 105370. https://doi.org/10.1016/j.jecp.2021.105370
5. Higuchi, H., & Kobayashi, T. (2022). Letter visual similarity of Japanese hiragana and katakana based on reaction times. Current Psychology. https://doi.org/10.1007/s12144-021-02664-w
6. 齋藤岳人・樋口大樹・井上和哉・小林哲生 (2022). 仮名文字の複雑性を表す指標としての周囲長複雑度の妥当性. 心理学研究, 93(2), 139-149. https://doi.org/10.4992/jjpsy.93.20237
7. 齋藤岳人・井上和哉・樋口大樹・小林哲生 (2022). 仮名文字に対する単純接触効果:実験室外の接触頻度と文化間比較に基づく検討. 基礎心理学研究, 40(2), 170-174. https://doi.org/10.14947/psychono.40.18

2021

論文

1. Higuchi, H., Okumura, Y., & Kobayashi, T. (2021). An eye-tracking study of letter-sound correspondence in Japanese-speaking 2- to 3-year-old toddlers. Scientific Reports, 11. https://doi.org/10.1038/s41598-020-79062-y
2. Okumura, Y., & Kobayashi, T. (2021). Contingent experience with touchscreens promotes parent-child conversations. Cognitive Development, 60. https://doi.org/10.1016/j.cogdev.2021.101100
3. Shinohara, A., Kanakogi, Y., Okumura, Y., & Kobayashi, T. (2021). The impact of positive and negative testimony on children's attitudes toward others. PLoS ONE, 16(12): e0261075. https://doi.org/10.1371/journal.pone.0261075
4. Shinohara, A., Kanakogi, Y., Okumura, Y., & Kobayashi, T. (2021). Children manage their reputation by caring about gossip. Social Development, 31(2), 455-465. https://doi.org/10.1111/sode.12548
5. 石川知夏・小林哲生 (2021). 日本語話者・聴覚障害者・英語話者によるひらがな文字形状の丸さ-鋭さ評定と分析. 認知科学, 28(4), 522-529. https://doi.org/10.11225/cs.2021.020

国際会議

1. Ishikawa, C. & Kobayashi, T. (2021). When the bouba/kiki effect begins to occur in Japanese children. 32nd International Congress of Psychology, #2850.
2. Kaneshige, T., Haryu, E., Okumura, Y., & Kobayashi, T. (2021). Children's preference for a standard accent heard on TV versus a regional accent adults are proud of. 32nd International Congress of Psychology.
3. Okumura, Y., Kanakogi, Y., Kobayashi, T., & Itakura, S. (2021). Do attentional cues actually affect infant learning? 32nd International Congress of Psychology.
4. Sakamoto, Y., Okumura, Y., Minami, Y., Mugitani, R., Ito, K., & Kobayashi, T. (2021). Characteristics of vocabulary development of children in residential care institutions. 32nd International Congress of Psychology, #2105.
5. Shinohara, A., Kanakogi, Y., Okumura, Y., & Kobayashi, T. (2021). How do children evaluate a negative gossiper? 32nd International Congress of Psychology, #2683.

2020

論文

1. Shinohara, A., Kanakogi, Y., Okumura, Y., & Kobayashi, T. (2020). How do children evaluate the gossipers of negative gossip? Japanese Psychological Research. http://doi.org/10.1111/jpr.12279
2. Okumura, Y., Kanakogi, Y., Kobayashi, T., & Itakura, S. (2020). Ostension affects infant learning more than attention. Cognition, 195. http://doi.org/10.1016/j.cognition.2019.104082
3. 中根愛・中谷桃子・小林哲生. (2020). 子どもに対する絵本読み聞かせから親は何を得るのか？ 認知科学, 27(2), 138-149. http://doi:10.11225/cs.2020.006
4. 白井良成・松田昌史・藤田早苗・小林哲生・岸野泰恵 (2020). World Wide Web のゲーム化とその効用. 情報処理学会論文誌, 61(11), 1660-1679.

国際会議

1. Sakamoto, Y., Okumura, Y., Kobayashi, T., & Minami, Y. (2020). Properties of early vocabulary development in Japanese-English bilingual children. Budapest CEU Conference on Cognitive Development (BCCCD20), Budapest, Hungary.
2. Shinohara, A., Kanakogi, Y., Okumura, Y., & Kobayashi, T. (2020). Children manage their reputation with regard to gossip. Budapest CEU Conference on Cognitive Development (BCCCD20), Budapest, Hungary.
3. Kaneshige, T., Haryu, E., Okumura, Y., & Kobayashi, T. (2020). Children's trust in individuals who speak in a familiar regional accent and those who speak in the standard accent used on TV. Budapest CEU Conference on Cognitive Development (BCCCD20), Budapest, Hungary.
4. Okumura, Y., Kanakogi, Y., Kobayashi, T., & Itakura, S. (2020). Do ostensive cues have more impact on infants' gaze following than attentional cues? Budapest CEU Conference on Cognitive Development (BCCCD20), Budapest, Hungary.
5. Higuchi, H., Okumura, Y., & Kobayashi, T. (2020). Sensitivity to native language letters in Japanese 18-month-olds. Association for Reading and Writing in Asia (ARWA2020), Online.