Jiarong HU (D3) of our graduate school, gave an oral presentation at the 4th General Meeting of the Society for Computational Social Science of Japan held in Tsukuba University Tokyo Campus (February 16–18, 2025). Her presentation, titled “A Meta-Analysis of Factors Influencing Household Waste Separation: Exploring the Links Between Behavior, Intention, and Determinants”, synthesized existing evidence on the strongest associations between waste separation intention and behavior across diverse contexts, integrating theoretical determinants to provide a comprehensive overview of key contributing factors.