If you take notes efficiently, you can read with more understanding and also save time and frustration when you come to write your paper. Three main principles:
1. Know what kind of ideas you need to record
Focus your approach to the topic before you start detailed research. Then you will read a purpose in mind, and you will be able to sort out relevant ideas.
๏ First, review the commonly known facts about your topic. And also become aware of the range of thinking and opinions on it. Review your class notes and textbook and browse in an encyclopedia or other reference work.
๏ Try making a preliminary list of the subtopics you would expect to find in your reading. These will guide your attention and may come in handy as labels for notes.