Martin Hagger published an article in Health Psychology (Impact Factor = 4.267). The article is a meta-analysis of research on a seldom tested hypothesis of the theory of planned behavior. The article is co-authored with long-time collaboratorand and UC Merced HSRI member Dr. Kyra Hamilton (Griffith University, Australia), leading quantitative psychologist Dr. Mike Cheung (National University of Singapore), and founder of the theory, Dr. Icek Ajzen (University of Massachussetts, Amhurst).
Hagger, M. S., Cheung, M. W. L., Ajzen, I., & Hamilton, K. (2022). Perceived behavioral control moderating effects in the theory of planned behavior: A meta-analysis. Health Psychology. https://doi.org/10.1037/hea0001153