Findings- when arrived in UK, half adoptees showed signs of delayed intellectual development and majority severely undernourished.
At ages of 11- different rates of recovery
Mean IQ of these adopted before 6 months was 102, compared with 86 for thise adopted between 6 months and 2, and 77 for those adopted after 2.
Differences remained at age 16.
Disinhibited attachment- adopted after 6 months, attention- seeking, clinginess and social behaviour directed indiscriminately towards all adults, both familiar and unfamiliar.