Middle-class. Regarding 3 hundred for each ages/intercourse group. As well as cross-sectional study from 1967–70 regarding center-group 5–fourteen season olds when you look at the San francisco, California.
Crispin, S. Kerrey, E., Fox, H.M. & Kies, C. (1968). Nourishmental status of preschool children. II. Anthropometric measurements and interrelationships. The fresh new American Journal of Medical Nutrition, 21(11), 1280–1284.
Urban study of 40 United states youngsters, old 30/2–51/2 years, inside Lincoln, Nebraska, United states of america. 20 regarding highest socio-financial updates, 20 from reduced socio-financial reputation. Girls and boys.
Cross-sectional federal data, 1963–5, regarding 6–eleven year olds. Combined metropolitan and you can rural. Blended socio-financial position. Mixed racial organizations — Negro, Western european, an such like. Less than 3000 per years/sex class.
Throughout the one hundred per years/intercourse group
Eveleth, P.B., Bowers, E.J. & Schall, J.T. (1979). Secular change in growth of Philadelphia Black adolescents. Person Biology, 51, 213–228.
Metropolitan data inside the Philadelphia in the 1977 with similar study inside the 1956–65. Race — negroid (i.e. Black People in america). Years 11–16 age. Mixed longitudinal analysis. Читать далее Longitudinal research creating 1959 of 5–fourteen year olds within the San francisco, Ca