Aaron V. Cicourel is professor of sociology and cognitive science at University of California, San Diego. He has served as visiting professor at the University of London School of Education and other overseas universities such as Konstanz, Madrid, Barcelona, �cole des Hautes �tudes en Sciences Sociales (Paris), Institute for Advanced Studies (VGienna), Buenos Aires, and the National University of Mexico. He is author of Method and Measurement in Sociology ; Theory and Method in a Study of Argentina Fertility ; and co-author of The Educational Decision Makers and Language Use and School Performance .