Verhalten at Education Systems International
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1 - NICHD Study of Early Child Care and Youth Development (SECCYD)
United States of America (USA)
The National Institute of Child Health and Human Development (NICHD) “started the Study of Early Child Care and Youth Development (SECCYD), formerly the NICHD Study of Early Child Care (SECC), in 1991. Working with more than 1,300 children and their families from when the children were infants until they turned 15, the researchers collected information in four phases and [...]