Database	Abbreviation	Associated Websites/References
California Abecedarian Project	n/a	Ramey, C.T., & Campbell, F. A. (1984). Preventive education for high-risk children: Cognitive consequences of the Carolina Abecedarian Project. American Journal of Mental Deficiency, 88, 515-523. Ramey, C.T., & Campbell, F. A. (1991). Poverty, early childhood education, and academic competence: The Abecedarian experiment. In A. Huston (Ed.), Children reared in poverty (pp. 190-221). New York: Cambridge University Press
Cost, Quality, and Outcome Study	CQO	www.fpg.unc.edu/~ncedl/pages/cq.cfm Helburn, S. (Ed.). (1995). Cost, quality, and child outcomes in child care centers: Technical report. Denver: University of Colorado, Department of Economics, Center for Research on Economics and Social Policy.
European Child Care and Education Study (Austria, Germany, Portugal, Spain)	ECCE	improving-ser.sti.jrc.it/
Florida Quality Improvement Study	n/a	Howes, C., Smith, E., & Galinsky, E. (1995). The Florida Quality Improvement Study: Interim report. New York: Families and Work Institute. Updated report: Howes, C., Galinsky, E., Shinn M., Sibley A., Abbott-Shim M., & McCarthy, J. (1996). The Florida Child Care Quality Improvement Study: 1996 report. New York: Families and Work Institute.
International Child Care and Education Project (consolidation of ECCE and CQ&O)	ICCE	Robbach, H. G. (1995). The International Child Care and Education Project - Quality of Center-based Early Childhood Programs. Paper presented at the AERA Annual Meeting, San Francisco, CA.
Medical Research Council National Survey of Health and Development	n/a	Atkins, E., Cherry, N. M., Douglas, J. W. B., Kiernan, K. E., & Wadsworth, M. E. J. (1981). The 1946 British birth cohort. In S. A. Mednick & A. E. Baert (Eds.), Prospective longitudinal research (pp. 25-30). Oxford: Oxford University Press. Verdonik, F., & Sherrod, L. R. (1984). An inventory of longitudinal research on childhood adolescence. New York: Social Science Research Council.
National Day Care Study	NDCS	Ruopp, R. R., Travers, J., Glantz, R., & Coelen, C. (1979). Children at the center. Final report of the National Day Care Study. Cambridge, MA: Abt Associates.
National Institute of Child Health and Human Development	NICHD	secc.rti.org/home.cfm
National Longitudinal Survey of Children and Youth	NLCYS	www11.hrdc-drhc.gc.ca/pls/edd/NLSCY.shtml
National Longitudinal Survey of Youth	NLSY	www.bls.gov/nls/home.htm
Victoria Day Care Research Project	n/a	Pence, A. R., & Goelman, H. (1985). The Victoria Day Care Project. Canadian Journal of Research in Early Childhood Education, 1, 106-107.
Washington Family Behavior Survey	n/a	Landesman, S., Jaccard, J., & Gunderson, V. (1991). The family environment: The combined influence of goals, strategies, resources, and individual experiences. In M. Lewis & S. Feinman (Eds.), Social influences and socialization in infancy (pp. 63-96). New York: Plenum.