The student included five supporting documents, all of which are contemporary and published within the last three years. Each document is clearly labeled, enhancing organization and clarity. The supporting documents are relevant, sufficiently in-depth, and provide a range of ideas and perspectives related to Nike's digital transformation strategies. However, the student has not provided an assessment of the validity and reliability of these documents, which could have strengthened the analysis by addressing the strengths, limitations, and potential biases of the sources used.