Sage Reference along with Michael Lewis-Beck (University of Iowa), Alan Bryman (Loughborough University), and Tim Futing Liao (Universities of Essex and Illinois-Urbana) are currently developing an international encyclopedia of social science methodology. The Encyclopedia of Social Science Research Methods, a multi-volume work, aims to be the definitive resource for knowledge for the social science research community and anyone seeking a clear and concise resource which defines the important and widely discussed topics on social science research methods.