The student clearly describes how the data was obtained and processed, making each procedural step easily understood. The description of data recording and processing is detailed and precise, with well-annotated tables, graphs, and figures, demonstrating attention to detail. The student includes considerations of uncertainties, noting the variability in standard deviation values and the implications for statistical significance. There are no major omissions or inaccuracies that would hinder the validity of the conclusions, as the investigation is well-structured with a clear methodology. Relevant data processing methods, including ANOVA and Tukey post hoc tests, are appropriately applied to accurately address the research question.
