The student incorporates source material that is relevant and appropriate to the posed research question, effectively linking empirical studies to the topic of malnutrition and academic performance in low socio-economic schoolchildren. While the student primarily utilizes accredited scientific sources, there are instances where the incorporation of source material is ineffective, such as a misleading claim regarding global population growth. The student's evaluation of empirical studies demonstrates a clear understanding of cultural, ethical, and methodological considerations, reflecting a solid grasp of the topic. The essay maintains an academic and analytical tone, employing technical terms judiciously without overwhelming the reader. Overall, the student effectively balances clarity and complexity in their writing.