A Columbia University Study Linked Soda Consumption to Behavior Problems

question 11

Multiple Choice

A Columbia University study linked soda consumption to behavior problems in children. Researchers examined data from a previous study that followed 2929 mother-child pairs.One survey asked about behaviors of the child and also about soda consumption.They found that the more soda the kids drank, the more behavior problems they had.What aspect of a well- designed experiment is absent from this study?

• A)blinding
• B)a placebo
• C)randomization
• D)a control group
• E)all of these

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