The learning objectives were evaluated through written laboratory reports and reflections in the postlaboratory questions. This laboratory experiment has been introduced into the Advanced Subsidiary (AS) and A2-level Chemistry courses for high school students (aged 17-18). All procedures and handouts 105 were provided two weeks before the actual laboratory activity. Students were briefed in a separate session on how to use ImageJ and Jamovi software, helping them become familiar with the tools and menus. The experiment was conducted in triplicate by 10 student groups, each composed of 2 students.