Friendships are more group‐oriented in the United Kingdom than in Japan 論文 Philip Howlett・Gülseli Baysu・Tomas Jungert・Anthony P. Atkinson・Shushi Namba・Wataru Sato・Kumpei Mizuno・Magdalena Rychlowska ·2026-01-01 ·『British Journal of Social Psychology』 65(1) pp. e70040-e70040 doi:10.1111/bjso.70040