Current Research

Data Analysis Projects

  1. Analysis of zero-inflated, positively skewed data.
  2. The performance of clustered standard errors versus multilevel models in the analysis of multilevel zero-inflated count data.
  3. Open access meta-analysis archive.
  4. Non-parametric Bayesian models for the analysis of longitudinal physical activity data.


  1. Writing a Research Paper (APA Press). Part of a broader series of short books aimed at introductory, lower division psychology courses. This book will walk the reader through the process of writing a research paper.
  2. Psychological Statistics using Stata (Stata Press). Data analysis and statistics commonly used by psychologists. Topics include regression, logistic regression, psychometrics, multilevel models, and structural equation models.