Hodges and Tizard 1989

Hodges and Tizard (1989)

Longitudinal study, Natural experiment

Looked at children in an instution at different ages. The children were classified in 3 groups, children who were adopted (adopted group), children who went back to there original parents (restored group), children who remained in the institution (institution group). 62 children in study

At age 4:

24 children were adopted, 15 children were restored. The rest remained in institution. Hodges and Tizard found that the children in institution had…