Scholarly Interests

Statistical methods, with an emphasis on single and multilevel generalized linear models; evaluation of professional development and health/education programs or interventions, particularly for HIV prevention; secondary analysis of large-scale databases; capacity building for community-based organizations; translation of evidence-based interventions.

List of Tables and Figures
Series Editor's Introduction
Acknowledgments
1. Introduction
Purpose of This Book
Software and Syntax
Organization of the Chapters
2. Context: Early Childhood Longitudinal Study
Overview of the Early Childhood Longitudinal Study
Practical Relevance of Ordinal Outcomes
Variables in the Models
3. Background: Logistic Regression
Overview of Logistic Regression
Assessing Model Fit
Interpreting the Model
Measures of Association
EXAMPLE 3.1: Logistic Regression
Comparing Results Across Statistical Programs
4. The Cumulative (Proportional) Odds Model for Ordinal Outcomes
Overview of the Cumulative Odds Model
EXAMPLE 4.1: Cumulative Odds Model With a Single Explanatory Variable
EXAMPLE 4.2: Full-Model Analysis of Cumulative Odds
Assumption of Proportional Odds and Linearity in the Logit
Alternatives to the Cumulative Odds Model
EXAMPLE 4.3: Partial Proportional Odds
5. The Continuation Ratio Model
Overview of the Continuation Ratio Model
Link Functions
Probabilities of Interest
Directionality of Responses and Formation of the Continuation Ratios
EXAMPLE 5.1: Continuation Ratio Model With Logit Link and Restructuring the Data
EXAMPLE 5.2: Continuation Ratio Model With Complementary Log-Log Link
Choice of Link and Equivalence of Two Clog-Log Models
Choice of Approach for Continuation Ratio Models
EXAMPLE 5.3: Full-Model Continuation Ratio Analyses for the ECLS-K Data
6. The Adjacent Categories Model
Overview of the Adjacent Categories Model
EXAMPLE 6.1: Gender-Only Model
EXAMPLE 6.2: Adjacent Categories Model With Two Explanatory Variables
EXAMPLE 6.3: Full Adjacent Categories Model Analysis
7. Conclusion
Considerations for Further Study
Notes
Appendix A: Chapter 3
Appendix B: Chapter 4
Appendix C: Chapter 5
Appendix D: Chapter 6
References
Index
About the Author