A new study shows that children who regularly eat breakfast perform better academically than those who skip it. Therefore, schools should implement mandatory breakfast programs to improve students' academic performance. Which of the following, if true, most strengthens the argument?

The correct answer to the question "A new study shows that children who regularly eat breakfast perform better academically than those who skip it. Therefore, schools should implement mandatory breakfast programs to improve students' academic performance. Which of the following, if true, most strengthens the argument?" is Option B: The study controlled for socioeconomic factors, showing a direct correlation between breakfast and performance..

The other options — A) Many children who skip breakfast also tend to have less parental involvement in their studies., C) Schools that have implemented breakfast programs report higher attendance rates., D) Children who eat breakfast often consume more sugary cereals, which can lead to energy crashes. — are incorrect for this GMAT Exam Prep question. As explained above: The argument assumes a causal link between breakfast and academic performance. Option B strengthens this by indicating that confounding socioeconomic factors were controlled, making the correlation i…