You have a right to your time. Diagraming, note taking, outlining, even talking into a tape recorder are study techniques that can increase concentration. Use whatever study skills you are most comfortable with. Being busy is not always the same as being productive. If the answer is yes, keep working, If no, ask yourself why.
Regular breaks can improve the learning process.
Discover your own learning style . Educators Rita and Ken Dunn tell the story of three children who each received a bicycle for Christmas. The bikes, purchased unassembled, had to be put together by parents. Tim's father read the directions carefully before he set to work. Mary's father laid out the pieces on the floor and handed the directions to Mary's mother.