Research Professor, Population Studies Center, Institute for Social Research
Research Professor, Inter-University Consortium for Political and Social Research, Institute for Social Research; Professor Emeritus of History, College of Literature, Science, and the Arts
Professor of Psychology, College of Literature, Science, and the Arts
Research Professor, Survey Research Center, Research Professor, Research Center for Group Dynamics, Faculty Associate, Inter-university Consortium for Political and Social Research, Institute for Social Research
Professor of Political Science, College of Literature, Science, and the Arts
Research Professor, Inter-University Consortium for Political and Social Research, Research Professor, Center for Political Studies, Institute for Social Research
Associate Professor of Information, School of Information
Research Associate Professor, Inter-University Consortium for Political and Social Research, Institute for Social Research; Associate Professor, Digital Studies Institute, College of Literature, Science, and the Arts