Sociological Methodology, published on behalf of the American Sociological Association is a valuable aid to the understanding and use of methodologies, providing techniques and perspectives on research that can be used to strengthen sociological and other types of social science reasoning. The journal is of interest to those involved in the study of statistics, psychometrics, ecometrics and political methodology, as well as to methodologists in sociology. Each annual volume is an important record of the current state of social science methodology, and a crucial addition for social research libraries worldwide.