There is a growing concern among researchers with the limited effectiveness and yet
subsequent stagnation of theories applied to physical activity (PA). One of the most …

Health Psychology at the Freie Universität Berlin is devoted to research and teaching in the
entire field of health psychology, including stress, coping, social support, self-efficacy …

Objective: The health action process approach (HAPA) is a social–cognitive model
specifying motivational and volitional determinants of health behavior. A meta-analysis of …

Objective: The present article presents an overview of theoretical constructs and
mechanisms of health behavior change that have been found useful in research on people …

Health-compromising behaviors such as cigarette smoking and poor dietary habits are
difficult to change. Most social-cognitive theories assume that the intention to change is the …

Theories are needed to explain and predict health behavior, as well as for the design and
evaluation of interventions. Although there has been a history of developing, testing …

Objective: To examine the putative moderating role of self-efficacy in the intention-planning-
behavior relationship. Methods: In N812 individuals, intentions (independent variable) were …

The aim of this study was to describe motivating factors and barriers for older adults to
adhere to group exercise in the local community aiming to prevent falls, and thereby gain …

Purpose In advanced societies, lifestyles are increasingly sedentary, and it is important to
identify strategies to help people acquire healthy habits, such as exercise. The present study …

Background: Although mobile technologies such as smartphone apps are promising means
for motivating people to adopt a healthier lifestyle (mHealth apps), previous studies have …