My central research interests lie in the modeling of longitudinal data using multiple frameworks, including multilevel (mixed) modeling, growth curve modeling and dynamical systems. My primary focus is on statistical modeling and measurement issues in the study of intraindividual change and interpersonal processes influencing intraindividual change. I have applied these longitudinal data modeling approaches in the study of growth and change in Mexican-origin youths and their parents, and in the evaluation of the longitudinal influences of HIV prevention programs on at-risk, alcohol-involved, young African American women. In terms of methodological research, two foci of my current research include modeling cyclical patterns in intensive longitudinal data and the characterization of measurement invariance over time in longitudinal studies with ordinal measurement (e.g., Likert scales). In addition to my focal work in longitudinal modeling, I have worked on multiple imputation of missing data. Finally, I have worked on Bayesian versus frequentist approaches to estimation in regression models with interactions. I intend to extend the work to the modeling of longitudinal data.
Publications/Creative Works
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