Assertion: secure attachment | /r/DefinedAs | ainsworth
Facets:
value: than the control group children
type: OTHER
Source sentences:
text: In 1990, a research team from New York revealed in a randomized study that children of lower class mothers who to the age of 13 months spent a lot of time in a child carrier on their mother's body showed significantly more frequently a secure attachment as defined by Ainsworth than the control group children, who spend more time in an infant seat.