A Note to the StudentAcknowledgmentsAnd Now, About the Eighth Edition .AncillariesAbout the AuthorsPart I: Yippee! I''m in StatisticsChapter 1: Statistics or Sadistics? It''s Up to You Why Statistics? Descriptive Statistics and Averages Computing the Mean Computing the Median Computing the Mode Summary Activities Key Terms Review Questions Critical Thinking QuestionsChapter 2: What Do Your Data Look Like? How Much Information Is in Your Variable? Vive la Différence! Understanding Variability The Standard Deviation Using SPSS to Compute Descriptive Statistics Using the Computer (SPSS, That Is) to Illustrate Data Key Terms Activities Review Questions Critical Thinking QuestionsChapter 3: Computing Correlation Coefficients How''s Your Relationship? Computing a Pearson Correlation Coefficient What''s It All Mean? Ice Cream Causes Crime (Association vs. Causation) Using SPSS to Compute a Correlation Coefficient Other Cool Correlations Parting Ways: A Bit About Partial Correlations Summary Key Terms Activities Review Questions Critical Thinking QuestionsChapter 4: Reliability and Validity Real-World Stats: How Do You Score Physical Activity? Reliability: Getting It Right the First Time Different Types of Reliability Internal Consistency Reliability: To One''s Own Self Be True Interrater Reliability: Agreeing Not to Disagree How Big Is Big? Interpreting Reliability Coefficients Validity: What''s the Meaning of Life!? Validity and Reliability: Really Close Cousins Summary Key Terms Activities Review Questions Critical Thinking QuestionsChapter 5: The Normal Curve Distributions and Probabilities Area Codes: Areas Under the Normal Curve The Amazing Super-Informative z Score Using SPSS to Compute z Scores Fat and Skinny Frequency Distributions Summary Key Terms Activities Review Questions Critical Thinking QuestionsChapter 6: Hypotheticals and You Samples and Populations The Null Hypothesis The Research Hypothesis A Closer Look at Our Two Favorite Hypotheses What Makes a Good Research Hypothesis? Summary Key Terms Activities Review Questions Critical Thinking QuestionsChapter 7: Significance The Concept of Significance If Only We Were Perfect Type I or Type II: Errors in Inferential Statistics Significance Versus Meaningfulness An Introduction to Inferential Statistics An Introduction to Tests of Significance Be Even More Confident Summary Key Terms Activities Review Questions Critical Thinking QuestionsChapter 8: Single Samples Introduction to the Single-Sample z Test Computing the z Test Statistic Using SPSS to Perform a z Test t Test Special Effects: Do They Matter? Summary Key Terms Activities Review Questions Critical Thinking QuestionsPart III: Significantly DifferentChapter 9: t(ea) for Two The Classic Group Comparison: Independent t Test The Effect Size for a Two-Group Comparison Using SPSS to Perform an Independent t Test Using SPSS to Perform a Paired-Samples t Test Summary Key Terms Activities Review Questions Critical Thinking QuestionsChapter 10: More Than Two Groups? Different Flavors of Analysis of Variance Computing the F Test Statistic Using SPSS to Compute the F Ratio The Effect Size for One-Way ANOVA Summary Key Terms Activities Critical Thinking Questions Activities Review Questions Critical Thinking Questions Chapter 11: Two (or More) ANOVAs in One Factorial Analysis of Variance A New Flavor of ANOVA The Main Event: Main Effects in Factorial ANOVA Even More Interesting: Interaction Effects Using SPSS to Conduct a Factorial Analysis of Variance Computing the Effect Size for Factorial ANOVA Summary Key Terms Activities Review Questions Critical Thinking QuestionsChapter 12: Correlation Coefficients and Regression Remember the Correlation Coefficient? Computing the Test Statistic Linear Regression Drawing the World''s Best Line (for Your Data) How Good Is Your Prediction? Using SPSS to Compute the Regression Line Multiple Regression: The More Predictors the Better? Maybe Summary Key Terms Activities Review Questions Critical Thinking QuestionsPart V: More Statistics! More Tools! More Fun!Chapter 13: Chi-Square and Some Other Nonparametric Tests Introduction to Nonparametric Statistics Introduction to the Goodness-of-Fit (One-Sample) Chi-Square Computing the Goodness-of-Fit Chi-Square Test Statistic Introduction to the Chi-Square Test of Independence Using SPSS to Perform Chi-Square Tests Other Nonparametric Tests You Should Know About Summary Key Terms Activities Review Questions Critical Thinking QuestionsChapter 14: Some Other (Important) Statistical Stuff You Should Know About Sophisticated Group Comparisons Sophisticated Correlational Analyses It''s Not about What Data is Mine, it''s about What Data is Mined Using Chatbots for Statistical Analyses Summary Key TermsAppendices: Information Never Ends!Appendix A: SPSS Statistics in Less Than 30 MinutesAppendix B: TablesAppendix C: Data SetsAppendix D: Answers to Practice QuestionsAppendix E: Math: Just the BasicsAppendix F: The 10 Commandments of Data CollectionAppendix G: The RewardGlossaryAppendix D: Answers to Practice QuestionsAppendix E: Math: Just the BasicsAppendix F: The 10 Commandments of Data CollectionAppendix G: The RewardGlossaryAppendix D: Answers to Practice QuestionsAppendix E: Math: Just the BasicsAppendix F: The 10 Commandments of Data CollectionAppendix G: The RewardGlossary.