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?
✓ Correct Answer: Option B
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 in the study more reliable and directly supporting the proposed solution.