Dietary Factors and Hyperactivity: A Failure to Replicate

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Abstract
Recent research suggests that sucrose consumption may be a factor in children''s hyperactivity. Yet, the manner in which hyperactive behavior was assessed confounded hyperactivity and aggression, thereby reducing the conceptual validity of the findings. In addition, accepting a probability level of 0.06 as significant with 36 correlations, and using grams rather than portions as an index of food consumption might have contributed to a Type 1 error. When these three issues were addressed in the present study, no significant relationships emerged between sucrose consumption and hyperactivity or aggression assessed as separate dimensions. The age of the hyperactive children in this sample (M = 9.15 years) contrasted with that of the original research (M = 6 years 2 months) and this may contribute to the differential results. Suggestions for further research are outlined, and the need to (a) separate hyperactive children according to whether they receive stimulation medication or not, and (b) assess attention deficit disorders in addition to behavioral components of hyperactivity are stressed.

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