Romanian adoptees had entered the orphanage as small babies between one and two weeks old, exhibiting evidence of severe malnourishment. 58 of the Romanian orphans were adopted before 6 months of age, 59 were adopted after six months with some adopted after the age of two, some were followed up at four, six and eleven years old. The study used a range of measures including interviews, observations of the child’s behaviour, and teacher/peer reports.