The document discusses William Perry's scheme of intellectual and ethical development. It outlines 9 positions or stages that students progress through related to their views on knowledge and authority. The stages range from dualistic thinking where there are clear right/wrong answers known by authorities, to relativism where all opinions are valid, to commitment where students integrate knowledge from various sources to form their own views. It also discusses Baxter Magolda's work on student development of self-authorship. The summary provides a high-level overview of the key points in 3 sentences.