“Chen’s causal claim is overstated; the PDF’s own data show that screen time content and pre-existing vulnerability mediate the relationship, suggesting a more nuanced intervention model.”

| Weak (summary-based) | Strong (argument-based) | |----------------------|--------------------------| | “Smith argues that climate policy fails due to lobbying.” | “While Smith correctly identifies lobbying as a barrier, she underestimates the role of public opinion in shaping policy failure.” | | “This paper discusses three causes of inequality.” | “The PDF’s focus on economic causes overlooks how educational access mediates inequality, requiring a revised framework.” |