Categorical Statistics for Communication Research

Categorical Statistics for CommunicationResearch presents scholars with a discipline-specific guide to categorical data analysis. The text blends necessary background information and formulas for statistical procedures with data analyses illustrating techniques such as log- linear modeling and logistic regression analysis.

• Provides techniques for analyzing categorical data from a communication studies perspective
• Provides an accessible presentation of techniques for analyzing categorical data for communication scholars and other social scientists working at the advanced undergraduate and graduate teaching levels
• Illustrated with examples from different types of communication research such as health, political and sports communication and entertainment
• Includes exercises at the end of each chapter and a companion website containing exercise answers and chapter-by-chapter PowerPoint slides

Detailed Contents ix

Preface xiii

Acknowledgments xix

About the Companion Website xx

1. Introduction to Categorical Statistics 1

2. Univariate Goodness of Fit and Contingency Tables in Two Dimensions 12

3. Contingency Tables in Three Dimensions 41

4. Log-linear Analysis 58

5. Logit Log-linear Analysis 90

6. Binary Logistic Regression 119

7. Multinomial Logistic Regression 153

8. Ordinal Logistic Regression 171

9. Probit Analysis 198

10. Poisson and Negative Binomial Regression 216

11. Interrater Agreement Measures for Nominal and Ordinal Data 232

12. Concluding Communication 255

Appendix A: Chi]Square Table 259

Appendix B: SPSS Code for Selected Procedures 261

Index 266

Bryan E. Denham is Professor of Communication at Clemson University. An expert on logistic regression and log-linear modeling, he has published articles on teaching empirical research methods and applying categorical statistics to social data in outlets such as the Journal of Communication, Journalism & Mass Communication Quarterly, Journalism & Mass Communication Educator, and the Journal of Risk Research. He has taught empirical methods at both the graduate and undergraduate levels and has frequently served as a resource for both faculty and students in the use of categorical statistics from areas such as health, political, and science communication.