In a longitudinal study, researchers found that children who watched at least 3 hours of television a day __________.
A. gained 40% more body fat than those who watched less than 1.5 hours a day
B. earned better grades than those who watched less than 1.5 hours a day
C. increased their reaction time scores by 35% compared to those who watched less than 1.5 hours a day
D. were more likely to develop Type I diabetes than children who watched less than 1.5 hours a day
Answer: A
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