# Essentials of Statistics for the Behavioral Science

Cengage Learning, Apr 17, 2007 - Psychology - 592 pages
This brief version of Gravetter and Wallnau's proven best-seller offers the straightforward instruction, accuracy, built-in learning aids, and wealth of real-world examples that professors AND students have come to appreciate. The authors take time to explain statistical procedures so that students can go beyond memorizing formulas and gain a conceptual understanding of statistics. To ensure that even students with a weak background in mathematics can understand statistics, the authors skillfully by integrate applications that reinforce concepts. The authors take care to show students how having an understanding of statistical procedures will help them comprehend published findings and will lead them to become savvy consumers of information. Known for its exceptional accuracy and examples, this text also has a complete supplements package to support instructors with class preparation and testing.
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### Contents

 Frequency Distributions 33 Central Tendency 55 Variability 84 zScores Location of Scores and Standardized Distributions 113 Probability 134 Probability and Samples The Distribution of Sample Means 160 Introduction to Hypothesis Testing 188 Introduction to the t Statistic 232
 RepeatedMeasures and TwoFactor Analysis of Variance 378 Correlation and Regression 422 The ChiSquare Statistic Tests for Goodness of Fit and Independence 471 Basic Mathematics Review 505 Statistical Tables 527 Solutions for OddNumbered Problems in the Text 539 General Instructions for Using SPSS 553 Statistics Organizer 556

 The t Test for Two Independent Samples 257 The t Test for Two Related Samples 287 Estimation 310 Introduction to Analysis of Variance 335
 References 565 Index 569 Summary of Statistics Formulas 576 Copyright

### About the author (2007)

Frederick J Gravetter is Professor Emeritus of Psychology at The College at Brockport, State University of New York College. While teaching at Brockport, he specialized in statistics, research design, and cognitive psychology. Dr. Gravetter received his Bachelor's degree in mathematics from M.I.T. and his Ph.D. in psychology from Duke University. In addition to publishing several research articles, Dr. Gravetter is co-author of the best-selling STATISTICS FOR THE BEHAVIORAL SCIENCES, 9th Edition, ESSENTIALS OF STATISTICS FOR THE BEHAVIORAL SCIENCES, 8th Edition, and (with Lori-Ann B. Forzano) RESEARCH METHODS FOR THE BEHAVIORAL SCIENCES, 5th 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, now in its tenth edition, and ESSENTIALS OF STATISTICS FOR THE BEHAVIORAL SCIENCES, now in its eighth edition.