Social scientists and campaign strategists approach voting behavior from opposite poles. Reconciling these rival camps through a merger of precise statistics and hard-won election experience, The American Political Landscape presents a full-scale analysis of U.S. electoral politics over the past quarter-century. Byron Shafer and Richard Spady explain how factors not usually considered hard data, such as latent attitudes and personal preferences, interact to produce an indisputably solid result: the final tally of votes.

Pundits and pollsters usually boil down U.S. elections...