This investigation focuses on the later de-As part of the longitudinal study in normal child development at the Centre for the Study of Human Development, London (Moore, Hindley & Falkner, 1954; Moore, 1959) note was taken of the care-taking regime experienced by each child at every stage of his life. The histories of daily care up to age 5 (when British children must enter school) were later sorted into various groups, and associations were found with personality independently assessed at later stages of childhood. In the first part of the study, groups were selected taking account of age, type and stability of substitute care, and compared with groups from exclusive maternal care which were as similar as possible with respect to distribution of sex, birth order, Scand. J . Psychol. 16