Any specific choices to choose from? If not, the following would work: Idle, empty, useless, hollow, or unneeded. :)
Because this helps you to stay organized. It helps to keep up on track of things when writing a research paper. Without mapping (planning, graphing, etc.) you won't have a straight research. You want to keep everything in order, to where it's all nice and neat, so you will know how to put things in order or whatever. I hope I helped love!