We all have different ways we learn best. For example, I am not an auditory learner. If you give me directions, without writing them down, I am completely lost. Why does this matter? It can help you immensely if you identify what kind of learner you are, so then you can study effectively, rather than haphazardly. This site has some good insights and tips. Check it out and see if some of them are useful. (Disclaimer: it has a tremendous amount of ads associated with it. Sorry!)
What Kind of Learner Are You?