1) The document discusses different conceptions of curriculum that curriculum developers bring with them, including academic rationalist, humanistic, and social reconstruction conceptions.
2) The academic rationalist conception views the curriculum's main function as enhancing students' intellectual abilities through subjects like history, chemistry, and biology.
3) The humanistic conception focuses on individual needs, interests, and personal development.
4) The social reconstruction conception focuses on addressing society's needs and using education to create social change.