Researchers, Carlson, Hostinar, Mliner, and Gunnar (2014) examined the formation of attachment in post-institutionalized (PI) infants and their adoptive parents following early social deprivation. The sample was comprised of 65 (PI) toddlers with their parents at 1-3 and 7-9 months post-adoption who were compared to 52 non-adopted (NA) infants. Each parent-child dyad were instructed to participate in a 1.5 hour laboratory sessions at 1-3 and 7-9 months post-adoption. The sessions were videotaped and consisted of 10 segments: a 10-min Disinhibited Social Approach procedure, in which the parent was discouraged from interacting with the child and the experimenter was present, being neutral initially but increasingly friendly; a modified Strange…