Includes bibliographical references.

Logic of Ecological Inference -- On Methodological Problems of Quantitative Research / Karl W. Deutsch -- Aggregate Analysis: The Problem of its Informative Value / Erik Allardt -- Individual and Structural Effects in Ecological Research / Tapan i Valkonen -- A Typology of Ecological Fallacies / Hayward R. Alker Jr. -- Individual Behavior and Collective Properties -- Ecological Analysis and Survey Research / Juan J. Linz -- Social Context and Individual Behavior / Erwin K. Scheuch -- The Spatial Structuring of Information Flow and Partisan Attitudes / Kevin R. Cox -- Ethnicity, Religion, and Politics in Canada: A Comparative Analysis of Survey and Census Data / J.A. Laponce -- The Social Context of Political Partisanship / David R. Segal & Mashall W. Meyer -- Multivariate Analysis in Political Ecology -- Determinants of Voting Behavior in Italy: A Linear Causal Model of Analysis / Vittorio Capecchi & Giorgio Galli -- A Covariance Analysis of French Electoral Data / Mattei Dogan -- Factor Analysis and Ecological Typologies -- Some Problems of Ecological Factor Analysis / Carl-Gunnar Janson -- Voting in the London Suburbs: A Factor Analysis and a Causal Model / Kevin R. Cox -- Third Survey of London Life and Labor: A New Typology of London Districts / Peter Norman -- Least Squares Classification and Principal Component Analysis: A Comparison / Nigel Howard -- Ecological Factors in Metropolitan Zones and Sectors / Frank L. Sweetser -- Historical Dimension of Ecological Analysis -- Survey Research and the Decoding of Patterns in Ecological Data / Philip E. Converse -- Factor Analysis of Aggregate Voting Statistics / Duncan MacRae Jr. & James A. Meldrum -- Historical and Regional Variations in Great Britain / Peter Laslett -- The Organization of Ecological Data Archives -- The Development of Archives for Social Science Data / Warren E. Miller -- Domains and Universes: Problems in Concerted Use of Multiple Data Files for Social Science Inquiries / Dwaine Marvick & Jane H. Bayes -- Archives for Ecological Research in West Germany / Wolfgang Hartenstein & Klaus Liepelt -- Ecological Data on Austria / Rodney Stiefbold -- The Future Development of Social Science Data Archives in Latin America / Jorge Garcia-Bouza.