Beth A Lewis

Feasibility of using computer-tailored and internet-based interventions to promote physical activity in underserved populations.

David M Williams, Bess H Marcus, B. Marcus, 2010, Telemedicine journal and e-health : the official journal of the American Telemedicine Association.

Examination of print and telephone channels for physical activity promotion: Rationale, design, and baseline data from Project STRIDE.

Abby C King, Bess H Marcus, Beth C Bock, 2007, Contemporary clinical trials.

Self-efficacy versus perceived enjoyment as predictors of physical activity behaviour

David M Williams, Bess H Marcus, B. Marcus, 2016, Psychology & health.

A comparison of Internet and print-based physical activity interventions.

David M Williams, Bess H Marcus, Deborah F Tate, 2007, Archives of internal medicine.

Acute Affective Response to a Moderate-intensity Exercise Stimulus Predicts Physical Activity Participation 6 and 12 Months Later.

David M Williams, Bess H Marcus, J. Ciccolo, 2008, Psychology of sport and exercise.

Mediators of physical activity behavior change: a multivariate approach.

David M Williams, Abby C King, Bess H Marcus, 2008, Health psychology : official journal of the Division of Health Psychology, American Psychological Association.