Idea: Different or even contradictory associations can be detected at different levels of aggregation (e.g., individual, region, nation), but not all influences can be assigned to properties of the individual—Membership in a larger aggregation can influence outcomes even after conditioning on the attributes of the individuals.
Cases: Ecological and atomistic fallacies, Neighborhood effects, Childhood maltreatment, Effects of inequality, Obesity, Heart disease
Readings: Freedman 2001, Diez-Roux 2002a, b, Coulton 1999, Korbin 2000, Marcelli 2005, 2006, Balfour 2002, Lawlor 2005
Copyright ©2010 Peter Taylor, Ph.D.