TY - CHAP T1 - Variability in electoral behavior: Longitudinal perspectives from causal modeling AU - Schulman, Mark A. AU - Pomper, Gerald M. A2 - Niemi, Richard G. A2 - Weisberg, Herbert F. PY - 1976 SP - 196 EP - 209 T2 - Controversies in American Voting Behavior CY - New York PB - Cambridge University Press ER -