essay question “To what extent is it appropriate, in terms of both theory and practical intervention, to view human parent-child attachment as founded in biological processes that promote species survival?”
references provided by the lecturer are Ainsworth MDS, Blehar MC, Waters E & Wall S (2009) Patterns of attachment: A psychological study of the Strange Situation. Hillsdale, NJ: Lawrence Erlbaum Associates.
Beckett C, Maughan B, Rutter M, Castle J, Colvert E, Groothues C, Kreppner J, OConnor T, Stevens S & Sonuga-Barke JS (2006).  Do the effects of early severe deprivation on cognition persist into early adolescence?  Findings from the English and Romanian Adoptees Study.  Journal of Child Psychology and Psychiatry, 47, 696-711.
Bretherton I & Waters E (1985) Growing Points of attachment theory and research.  Monographs of the Society for Research in Child Development, 50 (1-2). Serial No. 209.
Vorria et al. (2006).  The development of adopted children after institutional care: a follow-up study.  Journal of Child Psychology and Psychiatry, 47, 1246-1253.
and there is more attached here but please add some updated practical interventions and theories if there is any
you can use these references (PDF attached) or you can change and use others