The student has successfully identified the key concept of "change" on the title page and in the research question, aligning with the requirement to focus on change, creativity, ethics, or sustainability. Additionally, the research question addresses a past issue within the company, Duolingo, meeting the criterion of focusing on a single business and selecting a real business issue related to the syllabus. The student also provided sufficient background information about Duolingo and a clear outline of the issue under investigation. However, there was a need for improvement in explaining the methodology used for the investigation. Nonetheless, the student effectively described and analyzed the connection between the key concept of change and Duolingo throughout the entire Internal Assessment.
