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Twitter (X) Summary Aoyama Gakuin University (Japan) Yuji Ogihara (荻原祐二)

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Twitter Summary • Here is a summary of the articles I have introduced on Twitter – Account：https://twitter.com/Yu_Ogihara – You can move to the original tweet from Twitter at the bottom right of each slide

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Note • If there are any differences between this file and the tweet, please give priority to the information on Twitter. • Last Update：2026/1/25 – Uploaded：2024/12/27

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Contents • Ogihara (2025, HSSC) Slide Twitter • Ogihara & Uchida (2024, Acta Psychologica) Slide Twitter • Ogihara (2024, Scientific Data) Slide Twitter • Ogihara & Ito (2022, CRESP) Slide Twitter

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Ogihara （2025, HSSC） My paper is out! I review empirical studies that examined temporal changes in the frequency of uncommon names. They increased in Germany, the U.S., the U.K., France, Japan, China, and Indonesia. Giving uncommon names is a more global trend. Open Access https://doi.org/10.1057/s41599-025-06156-1 Twitter Twitter

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Abstract • In some nations, uncommon first names are increasing. ⇔ However, these findings have been reported separately by nation. • Unclear whether the phenomenon is observed more globally or more locally in some limited nations → Reviewing empirical studies that examined temporal changes in the frequency of (un)common names → Uncommon names increased in all the nations examined. • Germany, the U.S., the U.K., France, Japan, China, and Indonesia → The phenomenon is observed more generally. • Not locally in some limited nations • This trend has been found in diverse cultural zones: – European, American, and Asian cultures → Giving uncommon names is a more global trend.

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Ogihara & Uchida（2024, Acta Psychologica） Our paper is out! We examined temporal changes in the choice of dog types. We demonstrated that people in Japan increasingly sought unique dogs, suggesting that Japanese culture became more individualistic. Open Access https://doi.org/10.1016/j.actpsy.2024.104558 Twitter Twitter

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Ogihara（2024, Scientific Data） My paper is out! It provides the yearly numbers of articles in the three databases of Japanese national newspapers over the 150 years between 1872 and 2021. This enables researchers to calculate the relative frequency of articles. Open Access https://doi.org/10.1038/s41597-024- 03245-9 Twitter Twitter

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Ogihara & Ito（2022, CRESP） Our paper on historical changes in the rates of unique names in Japan between 1979 and 2018 has been published! It shows that over the 40 years the rates of unique names increased, suggesting a rise in uniqueness- seeking and individualism. Open Access https://doi.org/10.1016/j.cresp.2022.100046 Twitter Twitter

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Ogihara & Ito（2022, CRESP） Moreover, the findings reported in previous research ( https://doi.org/10.3389/fpsyg.2015.01490 https://doi.org/10.1016/j.crbeha.2021.100056 https://doi.org/10.1017/exp.2021.27 ) were replicated in this study: Unique names increased in Japan in the 2000s and 2010s. Unique names increased more rapidly for girls than for boys. Twitter Twitter

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