Abstract
Eating behaviors, especially the control of intake, are modulated by both internal and external factors. The objective of our study was to examine the effect of the interaction between eating motivation (as an internal factor) and food partition (as an external factor) on chocolate intake in children, with the hypothesis, based on the paradigm of motivated perception, that the effect of partition, i.e. reduced intake, is higher for children with a high level of eating motivation than for other children.A mixed model design was used in which 80 children aged 8–11 yrs. were offered, in their natural setting, two standardized afternoon snacks that included, among other things, 100 g of chocolate presented once as a whole (one bar) and once segmented (six pieces). The amount of chocolate eaten was weighed and compared between conditions (Bar vs Pieces). Children completed questionnaires in order to assess two of their eating motivational features (appetite arousal, chocolate specific appetite).Results indicated no effect of Partition: children ate the same quantity of chocolate in the two conditions (Bar or Pieces). Only chocolate specific appetite was associated with the amount of chocolate eaten, with children with a higher level eating more than other children (+13 g). Contrary to adults, children are not influenced by the “many is more effect”. Methodological and developmental interpretations were suggested, linked to the size of the portion, the network of attention and the sensibility to the external cues underlying the control of intake.
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