Nov 2, 2022 (UTC) SIG e- & mHealth Webinar: Optimising Behaviour change interventions in e-&mHealth using Multiphase Optimization Strategy (MOST).


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Optimising Behaviour change interventions in e-&mHealth using Multiphase Optimization Strategy (MOST).


November 2, 2022, 20:00 GMT



Kate Guastaferro, Assistant Professor, New York University

Siobhan Philips, Associate Professor, Northwestern University Feinberg School of Medicine


Mavra Ahmed, Research Associate, University of Toronto

Chelsea Kracht, Postdoctoral Researcher, Pennington Biomedical Research Centre


Recent advances in the design and evaluation of behavioral and biobehavioral interventions include the Multiphase Optimization Strategy. MOST is a framework for development, optimization, and evaluation of behavioral interventions, where optimization is defined as the process of identifying the intervention that provides the highest expected level of effectiveness obtainable within key constraints imposed by the need for efficiency, economy, and/or scalability. This webinar will showcase MOST to: streamline e-&mHealth interventions by identifying the combination of components that immediate scalability and work programmatically over time.

Speakers Bio and Topic

Kate Guastaferro


Kate Guastaferro is an assistant professor in the Department of Social and Behavioral Sciences and associate director of the Center for the Advancement and Dissemination of Intervention Optimization at New York University. She has a doctorate and masters of public health with a focus on prevention science. Kate completed a T32 postdoctoral fellowship in the Prevention and Methodology Training program at the Pennsylvania State University with advanced training centered substantively upon the prevention of child sexual abuse and methodologically on innovative methods for the optimization, evaluation, and dissemination of interventions (e.g., the multiphase optimization strategy [MOST]). She was an assistant research professor in the Department of Human Development and Family Studies at Penn State from 2017 – 2022. In 2020, she was the recipient of the Victoria S. Levin Award for Early Career Success in Young Children’s Mental Health from the Society for Research on Child Development. Working at the cutting edge of prevention and intervention science, Dr. Guastaferro’s program of research is devoted to the development, optimization, and evaluation of effective, efficient, economical, and scalable interventions, specifically focusing on the prevention of child maltreatment.


Overview of the multiphase optimization strategy (MOST), an innovative approach to intervention development, optimization, and evaluation.

Siobhan Phillips


Siobhan Phillips, PhD, MPH is an Associate Professor in the Division of Behavioral Medicine in the Department of Preventive Medicine at Northwestern University Feinberg School of Medicine and the Director of Physical Activity Promotion at the Robert H. Lurie Comprehensive Cancer Center. Dr. Phillip’s interdisciplinary research is focused on understanding the determinants and outcomes of physical activity participation, designing and optimizing innovative and effective digital physical activity behavior change interventions and translating this research into practice with a particular focus on aging and cancer survivorship.


Dr. Phillips will be presenting on the application of the Multiphase Optimization Strategy (MOST) to optimize physical activity interventions among cancer survivors.