Paul Lazarsfeld

Paul Lazarsfeld
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Name	Paul Lazarsfeld
Birth date	13 February 1901
Birth place	Vienna, Austria-Hungary
Death date	30 August 1976
Death place	New York City, United States
Nationality	Austrian-American
Fields	Sociology, Social psychology, Communication theory
Workplaces	University of Vienna, University of Newark, Columbia University, University of Pittsburgh
Alma mater	University of Vienna
Notable students	James S. Coleman, Seymour Martin Lipset
Known for	Two-step flow of communication, Bureau of Applied Social Research, ''Voting'', ''Personal Influence''

Paul Lazarsfeld was a foundational figure in 20th-century sociology and a pioneer of modern empirical social research. He is best known for developing innovative methodologies for survey research and for his seminal theories on mass communication and voting behavior. His work established the Bureau of Applied Social Research at Columbia University as a leading center for quantitative research and profoundly shaped the fields of communication studies, political sociology, and market research.

Biography

Born into a Jewish family in Vienna, he studied mathematics and psychology at the University of Vienna under influential figures like Karl Bühler and Moritz Schlick. His early career in Austria involved innovative studies on unemployment and market research for socialist organizations. Fleeing the rise of Nazism, he emigrated to the United States in 1933 with the aid of a Rockefeller Foundation fellowship. He became a naturalized U.S. citizen and spent the majority of his academic life in New York City, where he collaborated extensively with scholars like Robert K. Merton and Theodor W. Adorno.

Academic career and influence

His first major American post was directing a radio research project at Princeton University, which later moved to Columbia University. At Columbia, he founded the famed Bureau of Applied Social Research, which served as a model for subsequent social science research institutes. He held a professorship in sociology at Columbia for decades, mentoring a generation of influential scholars including James S. Coleman and Seymour Martin Lipset. Later in his career, he served as Quetelet Professor of Social Science at the University of Pittsburgh, and his methodological approaches influenced the American Soldier studies during World War II.

Key contributions to social research

He revolutionized social science by championing the use of panel studies and survey methodology to test theoretical concepts. His most famous theoretical contribution is the two-step flow of communication model, developed with Elihu Katz, which argued that mass media effects are filtered through opinion leaders. His research on voting behavior, notably the Erie County Study, shifted focus from demographics to the role of social influence and party identification. He also made significant advances in concept analysis, measurement theory, and the application of mathematical models to social processes.

Major works

His influential publications include *The People's Choice* (1944), co-authored with Bernard Berelson and Hazel Gaudet, which reported findings from the 1940 presidential election study. *Voting* (1954), with Berelson and William N. McPhee, expanded on these themes. *Personal Influence* (1955), written with Katz, further elaborated the two-step flow model. Other key works are *Radio and the Printed Page* (1940), *The Academic Mind* (1958) with Wagner Thielens Jr., and the methodological treatise *The Language of Social Research* (1955), co-edited with Morris Rosenberg.

Legacy and recognition

He is widely regarded as a principal architect of modern American sociology, bridging European theory with rigorous empirical investigation. The Bureau of Applied Social Research trained countless researchers and set standards for funded research. His concepts remain central to political communication, public opinion research, and marketing science. He served as president of the American Sociological Association and received honorary degrees from numerous institutions, including the University of Chicago and the University of Vienna. The Paul F. Lazarsfeld Award is given by the American Political Science Association for contributions to political methodology.

Category:American sociologists Category:Communication theorists Category:Columbia University faculty Category:Jewish emigrants from Austria