Statistics and statistical analyses have become a key feature of contemporary social science. Social statistics is the use of statistical measurement systems to study human behaviour in a social environment. This can be accomplished through polling a particular group of people, evaluating a particular subset of data obtained about a group of people, or by observation and statistical analysis of a set of data that relates to people and their behaviors. This major reference collection brings together the classic pieces that have framed the often controversial debates of using statistics as a social research method.