Introduction to Statistics in Psychology, 5th edition, is the comprehensive, straightforward and essential student guide to understanding statistics and carrying out statistical analyses in psychology.Key features of this new edition:Now in full colour, bringing illustrations and explanations to life. Fully updated with reference to the latest version of SPSS Statistics. Increased depth on power, including a feature addressing the role of power in analyses. Presentation of results conforms to APA style throughout. Quick-check grids show which tests to use for various experiments.Key aspects of the statistical analysis process are highlighted throughout the text in special sections:Key concepts boxes explain important terms in more detail and Focus on sections explore more complex topics in greater depth. Calculation boxes present and separate out the mathematical principles underlying the analyses. Computer analysis is a new feature offering a practical, quick guide on how to carry out a statistical analysis in SPSS Statistics and helps students understand the links between the different tests. This book is supported by a companion website featuring a range of resources to help students in their studies. Self-test questions, additional datasets and handy quick guides to carrying out tests can all be found at www.pearsoned.co.uk/howittDennis Howitt is Reader in Psychology and Duncan Cramer is Professor of Psychology at Loughborough University. 'The range of designs and statistical tests covered is second to none.' Dr Richard Stephens, Keele UniversityA must for undergraduate students. The new features all aid understanding and the addition of two chapters dealing with statistical power analysis and moderator variables further enhances this new edition.Dr Jane Hutchinson, University of Central Lancashire 'The best textbook in what is the most difficult area of study for most psychology students' Professor Ronnie Wilson, University of Ulster (Pearson)