1957 77 333 (heading) Imprinting and establishment of gender role.
1963 A. Comfort ii. 42 The gender role learned by the age of two years is for most individuals almost irreversible, even if it runs counter to the physical sex of the subject.
1995 8 Aug. 1/4 By five, girls and boys have already started to ‘self-limit’ their activities in line with their perceived notion of their gender role.