Sponsored by Statistics Canada, this study, focused on child development broadly conceived, began in 1994 by studying children from birth to age 11, and is expected to follow them to age 25.
See Early Childhood Longitudinal Studies (ECLS), Longitudinal studies, National Child Development Study (NCDS), National Educational Longitudinal Surveys (NELS), National Institute for Child Health and Human Development Study of Early Child Care (NICHD-SECC), National Longitudinal Study of Adolescent Health (AddHealth), National Longitudinal Survey of Youth (NLSY), New York Longitudinal Study (NYLS)