Forman Evan M, Hoffman Kimberly L, McGrath Kathleen B, Herbert James D, Brandsma Lynn L, Lowe Michael R
Department of Psychology, Drexel University, Philadelphia, PA 19102, USA.
Behav Res Ther. 2007 Oct;45(10):2372-86. doi: 10.1016/j.brat.2007.04.004. Epub 2007 Apr 18.
The present study utilized an analog paradigm to investigate the effectiveness of two strategies for coping with food cravings, which was theorized to be critical to the maintenance of weight loss. Ninety-eight undergraduate students were given transparent boxes of chocolate Hershey's Kisses and instructed to keep the chocolates with them, but not to eat them, for 48 h. Before receiving the Kisses, participants were randomized to receive either (a) no intervention, (b) instruction in control-based coping strategies such as distraction and cognitive restructuring, or (c) instruction in acceptance-based strategies such as experiential acceptance and defusion techniques. Measures included the Power of Food Scale (PFS; a measure of psychological sensitivity to the food environment), self-report ratings of chocolate cravings and surreptitiously recorded chocolate consumption. Results suggested that the effect of the intervention depended on baseline PFS levels, such that acceptance-based strategies were associated with better outcomes (cravings, consumption) among those reporting the highest susceptibility to the presence of food, but greater cravings among those who scored lowest on the PFS. It was observed that craving self-report measures predicted chocolate consumption, and baseline PFS levels predicted both cravings and consumption. Results are discussed in terms of the implications for weight loss maintenance strategies.
本研究采用模拟范式来探究两种应对食物渴望策略的有效性,理论上这对维持体重减轻至关重要。98名本科生被给予装有好时之吻巧克力的透明盒子,并被要求随身携带巧克力,但48小时内不得食用。在收到巧克力之前,参与者被随机分为三组,分别接受:(a) 无干预;(b) 基于控制的应对策略指导,如分心和认知重构;或 (c) 基于接纳的策略指导,如体验接纳和认知解离技巧。测量指标包括食物力量量表(PFS;一种对食物环境心理敏感性的测量)、巧克力渴望的自我报告评分以及暗中记录的巧克力消耗量。结果表明,干预效果取决于基线PFS水平,即对于那些报告对食物存在最高易感性的人,基于接纳的策略与更好的结果(渴望、消耗量)相关,但对于PFS得分最低的人,渴望程度更高。研究观察到,渴望的自我报告测量指标可预测巧克力消耗量,而基线PFS水平可预测渴望程度和消耗量。研究结果将根据对体重减轻维持策略的影响进行讨论。