A great change is coming over childhood in the world's richest countries. Today's rising generation is the first in which a majority are spending a large part of early childhood in some form of out-of-home child care. At the same time, neuroscientific research is demonstrating that loving, stable, secure, and stimulating relationships with…

The socio-emotional experiences of infants during transitions to early childhood education and care (ECEC) and across their first year in these out-of-home contexts are not well known. In an international project across five countries (New Zealand, Finland, Australia, Scotland and the United States), observational data, video of key moments, plus…