Why is a meta-analysis stronger evidence for a null effect of sugar on hyperactivity? Instructions: Using the following information and prompts from your textbook author's blog, readthrough the information provided and then as a group, determine the best responses.Here's something "everybody says": Kids will become hyperactive if they eat too much sugar. This folkbelief is as much a part of North American cultural wisdom as learning styles and the catharsishypothesis. But this column in the New York Times explains that, like learning styles and catharsis, theidea of a "sugar high" is also a myth.The physician who wrote the column traced the modern idea of sugar causing hyperactivity to 1975. Butthen the author describes a randomized clinical trial on this question. Here's the description:An extraordinarily rigorous study settled the question in 1994. Writing in the New EnglandJournal of Medicine, a group of scientists tested normal preschoolers and children whose parentsdescribed them as being sensitive to sugar. Neither the parents, the children nor the researchstaff knew which of the children were getting sugary foods and which were getting a dietsweetened with aspartame and other artificial sweeteners. Urine was tested to verify compliancewith the diets. Nine different measures of cognitive and behavioral performance were assessed,with measurements taken at five-second intervals.The original study was, indeed, ambitious. The authors provided all food to the homes of the children inthe study so they could completely control what sweeteners were being used. The study took place overnine weeks in a repeated-measures design--the diets were based on sucrose (sugar) one week, aspartameanother week, and saccharine during another week. The researchers measured the children's cognitiveperformance and mood throughout the study.The study concluded that sugar does not affect children's behavior or cognitive function.An editorial that accompanied the study put a fine point on that conclusion, stating "there is noevidence that sugar alone can turn a child with normal attention into a hyperactive child."

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Why is a meta-analysis stronger evidence for a null effect of sugar on hyperactivity?

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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