The Third Edition of the Dictionary of Statistics & Methodology: A Nontechnical Guide for the Social Sciences is THE sourcebook of simple definitions and explanations of statistical and statistics-related concepts. Since the publication of the bestselling Second Edition, author W. Paul Vogt has examined relevant literature in the social sciences to keep readers alert to the appearance of new methods, new language, and newly popular terms. The Third Edition has been thoroughly revised and expanded, with 400 additional definitions and illustrations compiled from readers' requests and suggestions!