GMAT Critical Reasoning (CR) | A study of children's television-watching habits by the federal depart

I'll try to explain what I understood from the argument.

If you are conducting a study about something and deducing something then we need to make sure that all the sufficient parameters have been taken into account. Here, the study is on children aged between 7-10 and their habits. It could be possible that the research was on similar types of kids and a conclusion
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