| Abstract To elucidate cultural contrasts in children’s family environments, we conducted in‐depth, direct comparisons of mind‐mindedness and self‐other distinction from maternal speech. The study included 5‐minute speech samples of 225 mothers from Japan (N = 111) and the UK (N = 114) talking about their 3‐ to 6‐year‐old children (including 11 sibling pairs, n = 236). Compared with Japanese mothers, British mothers spoke significantly more, gave a significantly higher proportion of… |