The student clearly stated the independent variable as the concentration of monosodium glutamate (MSG) and the dependent variable as the rate of the Maillard reaction. The research question was well-defined, and the methodology was sufficiently detailed to allow for reproducibility, covering all necessary steps and materials. The student successfully explained the choice of measurement techniques, justifying the variables and ensuring precision through controlled conditions and multiple trials. Additionally, the student addressed safety, ethical, and environmental considerations associated with the investigation, demonstrating a comprehensive understanding of the research context. Overall, the methodology was coherent and free of irrelevant information, enhancing clarity for the reader.