Secondary analysis has assumed a central position in social science research as existing survey data and statistical computing programmes have become increasingly available.This volume presents strategies for locating survey data and provides a comprehensive guide to US social science data archives, describing several major data files. Although the data sets are American, the techniques are widely applicable.The book also reviews research designs for secondary analysis and discusses techniques for managing problems related to variable operationalization, item and sample comparability, sampling error, and the study of rare populations.