Rutter conducted a natural longitudinal study on a group of around 100 Romanian orphans. The aim of the study was to investigate the extent to which quality care could make up for poor early experiences in institutions and maternal deprivation. Physical, cognitive and emotional development was assessed at ages 4, 6, 11,1 5 and 22-25. A group of 52 children from the UK adopted around the same time act as a control group.