Jaak Billiet

Jaak Billiet PhD is Professor of Social Methodology at the Katholieke Universiteit Leuven, Belgium . He is head of the Centre for Data Collection and Analysis at the Department of Sociology (K.U. Leuven), and is a member of the central co-ordination team of the European Social Survey, where his task is data quality assessment. His main methodological research is focused on response effects and the modelling of measurement error in social surveys. He is involved in longitudinal and comparative research in the domains of ethnocentrism, political attitudes and religious orientations.