Notes are not just to record information but also to help you think. Your goals in taking notes are to:
Depending on your assignment, you may need to read sources closely and take notes on specific parts of the text or you may need to see the big picture and synthesize across sources.
A concept map allows you to explore a topic by organizing related ideas and themes.
A synthesis matrix allows you to easily recognize connections across sources. Each row of the chart is one source. Read down the columns to make connections across sources.
There are many different styles of taking notes based on deeply reading a source. Whatever method you use:
Most of your notes should be concise paraphrases of the source content. Include your own questions and connections to your research project.
Refworks, Zotero, Mendeley, and other citation managers allow you to annotate and add personal notes to the citations and documents you are storing.