Increasing pre-school children's consumption of fruit and vegetables. A modelling and rewards intervention

被引:62
|
作者
Horne, Pauline J. [1 ]
Greenhalgh, Janette [1 ]
Erjavec, Mihela [1 ]
Lowe, C. Fergus [1 ]
Viktor, Simon [1 ]
Whitaker, Chris J. [1 ]
机构
[1] Bangor Univ, Sch Psychol, Bangor LL57 2AS, Gwynedd, Wales
关键词
Pre-school children; Fruit; Vegetables; Positive modelling; Rewards; Exposure; Consumption; Generalisation; Intrinsic motivation; CARDIOVASCULAR RISK-FACTORS; CORONARY-HEART-DISEASE; BODY-MASS INDEX; CHILDHOOD OBESITY; YOUNG-CHILDREN; FOOD PREFERENCES; INTRINSIC MOTIVATION; EATING BEHAVIORS; ENERGY-INTAKE; BOGALUSA;
D O I
10.1016/j.appet.2010.11.146
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
03 ; 0303 ; 030303 ; 04 ; 0402 ;
摘要
Using a repeated measures design, in a nursery setting, a modelling and rewards intervention targeted preschool children's consumption of 8 fruit and 8 vegetables (presented as 4 different food sets, each comprising 2 fruit and 2 vegetables). During the 16-day Baseline 1, and subsequent baselines, the children received a different food set daily, first at snacktime and again at lunchtime; consumption of these foods was not rewarded. In the 32-day fruit intervention phase, Food Set 2 and Food Set 3 were presented on alternate days; rewards were presented only at snacktime, and only for consumption of the fruit components. Following Baseline 2 and Baseline 3, the intervention targeted snack consumption of the vegetable components of Food Sets 1 and 4. Finally, Baseline 4, and 6-month Follow up were conducted. The interventions produced large and significant increases in target fruit and vegetable consumption with smaller, but significant, increases for the paired, opposite category, non-target foods. Immediately after each intervention, increases based on within-category generalisation were also evident. All increases generalised strongly to the no-rewards lunchtime context. Contrary to theories predicting response decrements, the increases in preschoolers' fruit and vegetable consumption were maintained at Follow up, six months after rewards were withdrawn. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:375 / 385
页数:11
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