%0 Journal Article %T Association and Heterogeneity: Structural Models of Similarities and Differences %A Hout, Michael %A Duncan, Otis Dudley %A Sobel, Michael E. %A , %J Sociological Methodology %V 17 %P 145 %@ 0081-1750 %D 1987-01-01 %I JSTOR %~ DeepDyve