Michael, Robert T.; O'Muircheartaigh, Colm A. - In: Journal of the Royal Statistical Society Series A 171 (2008) 2, pp. 465-480
The National Children's Study (NCS), which was undertaken in 2000 by collaboration between several US federal government agencies, is one of the largest and boldest longitudinal studies of children's health ever undertaken. One of the key design issues has been the nature of the NCS sample. The...