The document discusses various sources of data that can be used to document teaching effectiveness, including instructor self-assessment, student perceptions, student learning outcomes, peer/colleague reviews, teaching resources, and administrative perspectives. It provides examples of tools that can gather information from these sources, such as course portfolios, teaching journals, student surveys and feedback, classroom observations, peer reviews of materials, and student achievement outcomes. Graphs and matrices are suggested as ways to analyze and visualize trends in student feedback and comments over time.