Volitional help sheets use Gollwitzer's (1993) concept of implementation intentions as a
vehicle to change behaviour using Prochaska and DiClemente's (1983) processes of …

Objective: Despite abundant observational and experimental tests, it is not yet clear whether
enhancing autonomous motivation or perceived competence leads to health behavior …

Many individuals do not engage in health-promoting behaviors that would confer important
health benefits despite research that has shown that engaging in a suite of four health …

Interventions to change health-related behaviours typically have modest effects and may be
more effective if grounded in appropriate theory. Most theories applied to public health …

Objective: Several health behavior theories converge on the hypothesis that attitudes,
norms, and self-efficacy are important determinants of intentions and behavior. However …

The evidence about the effectiveness of behaviour change approaches—what works and
what does not work—is unclear. What we do know is that single interventions that target a …

Background Compared to traditional persuasive technology and health games, gamification
is posited to offer several advantages for motivating behaviour change for health and well …

Highlights•The evidence that using theory produces greater health behaviour change is
mixed.•Interventions often achieve small/moderate behaviour change unexplained by …

Health psychology is at the forefront of developing and disseminating evidence, theories,
and methods that have improved the understanding of health behaviour change. However …

Background Socio-economic variations in health, including variations in health according to
wealth and income, have been widely reported. A potential method of improving the health …