The new edition of this bestselling guide to SPSS carefully leads the user through the process of using SPSS to analyse psychological data. As with previous editions, the Third Edition retains the breadth of coverage, clear writing and flexibility that has made it such a popular companion for students at all levels. The text covers SPSS version 14 as well as 13, and draws attention to the main ways in which these versions differ from earlier versions. It includes coverage of the major quantitative statistical techniques used in psychology, from introductory to advanced research level.Clearly annotated screenshots are used to walk the reader through the use of software. The reader is always reminded of the basic issues regarding design and statistics, and discusses the rationale and use of each test. Guidance on reporting analysis results is also provided. This edition features an all-new chapter on time series analysis and new coverage of reliability measures, partial correlations, and using statistics for scale constructions.