Journal ArticleDOI
Planning to lose weight: randomized controlled trial of an implementation intention prompt to enhance weight reduction among overweight and obese women.
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TLDR
Planning facilitation is a key mechanism explaining enhanced weight loss generated by implementation intention formation among obese or overweight women participating in a commercial weight reduction program.Abstract:
Objective The trial investigates the effects of augmenting an established weight-reduction intervention with implementation intention prompts. Design Fifty-five overweight or obese women (ages 18 to 76 years; body mass index from 25.28 to 48.33) enrolled in a commercial weight reduction program were randomly assigned to either an implementation intention prompt or a control condition. Data were collected twice, with a time gap of 2 months. Main outcome measures The primary outcome was participants' change in weight and body mass index from preintervention to follow-up. Results Repeated measures analysis of variance revealed a significant Time = Condition interaction: On average, implementation intention prompt participants lost 4.2 kg (95% confidence interval = 3.19, 5.07), whereas control participants lost 2.1 kg (95% confidence interval = 1.11, 3.09). The change in frequency of planning mediated the effects of the intervention on weight and body mass index change. Conclusion Among obese or overweight women participating in a commercial weight loss program, those who learn to form implementation intentions can achieve greater weight reduction. Planning facilitation is a key mechanism explaining enhanced weight loss generated by implementation intention formation.read more
Citations
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Modeling Health Behavior Change: How to Predict and Modify the Adoption and Maintenance of Health Behaviors
TL;DR: The Health Action Process Approach (HAPA) as mentioned in this paper suggests a distinction between preintentional motivation processes that lead to a behavioral intention, and postintentional volition processes that leads to the actual health behavior.
Modelando el cambio en el comportamiento de salud: Cómo predecir y modificar la adopción y el mantenimiento de comportamientos de salud
TL;DR: Health-compromising behaviors such as physical inactivity and poor dietary habits are difficult to change as mentioned in this paper, and most social-cognitive theories as well as behavioral change theories are ineffective.
Journal ArticleDOI
Implementation intention and action planning interventions in health contexts: state of the research and proposals for the way forward.
TL;DR: Evidence supports the effectiveness of planning interventions in health behaviour with advantages including low cost and response burden, but there is considerable heterogeneity in the effects across studies and relatively few registered randomised trials that include objective behavioural measures.
Journal ArticleDOI
The automatic component of habit in health behavior: habit as cue-contingent automaticity.
Sheina Orbell,Bas Verplanken +1 more
TL;DR: Three studies examined habitual automaticity in regard to different aspects of the cue-response relationship characteristic of unhealthy and healthy habits to capture aspects of a habit that go beyond mere frequency or consistency of the behavior.
Journal ArticleDOI
Do implementation intentions help to eat a healthy diet? A systematic review and meta-analysis of the empirical evidence
Marieke A. Adriaanse,Charlotte D.W. Vinkers,Denise T. D. de Ridder,Joop J. Hox,John de Wit,John de Wit +5 more
TL;DR: Investigation of the effect of implementation intentions on eating behavior found that higher quality outcome measures and lower quality control conditions tended to yield stronger effects, although for some studies promoting healthy eating effect sizes may have been inflated due to less than optimal control conditions.
References
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Applied multiple regression/correlation analysis for the behavioral sciences
TL;DR: In this article, the Mathematical Basis for Multiple Regression/Correlation and Identification of the Inverse Matrix Elements is presented. But it does not address the problem of missing data.
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Implementation intentions: Strong effects of simple plans.
TL;DR: In this article, the authors propose to delegate the control of goal-directed responses to anticipated situational cues, which elicit these responses automatically when actually encountered, and demonstrate that implementation intentions further the attainment of goals.
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Nature and Operation of Attitudes
TL;DR: The nature of perceived behavioral control, the relative importance of attitudes and subjective norms, the utility of adding more predictors, and the roles of prior behavior and habit are highlighted.
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