Linda M Collins Editor & Author

Linda M. Collins is Distinguished Professor of Human Development and Family Studies, Professor of Statistics, and the director of The Methodology Center at the Pennsylvania State University. She is interested in most aspects of research methods.  Her current work focuses on experimental and non-experimental design, particularly for building, optimizing and evaluating behavioral, biobehavioral, and biomedical interventions. Professor Collins also has a long-standing interest in models for longitudinal data, particularly latent transition analysis, and other latent class models.
Kari C. Kugler is an Assistant Teaching Professor in Biobehavioral Health and an Affiliate of the Methodology Center at Penn State. Trained as a behavioral epidemiologist, her work focuses on the design and analysis of multi-component, multi-level interventions targeting a wide range of health behaviors among various populations and contexts.  She collaborates with intervention scientists on building highly effective and efficient behavioral interventions.