Gravetter and Wallnau's proven best-seller gives you straightforward instruction, guaranteed accuracy, built-in learning aids, and plenty of real-world examples that will help you understand statistical concepts. The authors take time to explain statistical procedures so that you can go beyond memorizing formulas and gain a conceptual understanding of statistics. The authors also take care to show you how having an understanding of statistical procedures will help you comprehend published findings and will lead you to become a savvy consumer of information. Known for its exceptional accuracy and examples, this text also has a complete supplements package to support your learning.

This accessible textbook helps students in the behavioral sciences to understand the fundamental concepts and basic procedures of statistics. New for the sixth edition is a general introduction to the statistics program SPSS. Additional quizzes and other study resources are available at a companion website. Annotation ©2007 Book News, Inc., Portland, OR (booknews.com)

Noreen Dulin, Vanguard University of Southern California: "The text is very easy to read and the learning checks and sample problems give help to students to both understand the material and self-assess their understanding."

Mark Vosvick, University of North Texas: ". . . the language and treatment of statistics is very accessible . . . this is my first review of this textbook and I was very much impressed with it."

: Frederick J Gravetter is Professor of Psychology at the State University of New York College at Brockport. He has taught at Brockport since the early 1970s, specializing in statistics, research design, and cognitive psychology. He received his Bachelor's degree in mathematics from M.I.T. and his Ph.D. in psychology from Duke University. Dr. Gravetter is co-author of the best-selling STATISTICS FOR THE BEHAVIORAL SCIENCES, Eighth Edition, ESSENTIALS OF STATISTICS FOR THE BEHAVIORAL SCIENCES, Sixth Edition, and (with Lori-Ann B. Forzano) RESEARCH METHODS FOR THE BEHAVIORAL SCIENCES, Third Edition.Larry B. Wallnau is Professor Emeritus of Psychology at the State University of New York College at Brockport. The recipient of grants and awards in both research and teaching, Dr. Wallnau has published numerous research articles primarily on the effect of psychotropic drugs. With Frederick J Gravetter, he has co-authored previous editions of STATISTICS FOR THE BEHAVIORAL SCIENCES, Eighth Edition, and ESSENTIALS OF STATISTICS FOR THE BEHAVIORAL SCIENCES, Sixth Edition.

1. Introduction to Statistics. 2. Frequency Distributions. 3. Central Tendency. 4. Variability. 5. Z-Scores: Location of Scores and Standard Distributions. 6. Probability. 7. Probability and Samples: The Distribution of Sample Means. 8. Introduction to Hypothesis Testing. 9. Introduction to the t Statistic. 10. The t test for Two Independent Samples. 11. The t test for TwoRelated Samples. 12. Estimation. 13. Introduction to Analysis of Variance. 14. Repeated-Measures and Two-Factor Analysis of Variance. 15. Correlation and Regression. 16. The Chi-Square Statistic: Tests for Goodness of Fit and Independence. Appendix A: Basic Mathematics Review. Appendix B: Statistical Tables. Appendix C: Solutions for Odd-Numbered Problems in the Text. Appendix D: "General Instructions for Using SPSS".