• Begin reviewing early
  This will give your brain time to get comfortable with the information;

• Conduct short daily review sessions
  You can ease into more intense review session prior to major exams;

• Read text assignments before lectures
  This will help you identify concepts that the profess or considers important and that are already somewhat familiar;

• Review notes immediately after lectures
  This will help you identify information that you do not understand while the lecture is still fresh in your memory--and other students' memories as well. When you review immediately, you'll have time to clarify information with other students;

• Review with a group
  This will enable you to cover important material that you may overlook on your own;

• Conduct a major review early enough to allow for a visit to the instructor during his office hours if necessary

• Break up the study tasks into manageable chunks, especially during major reviews prior to exams.
  Studying three hours in the morning and three in the evening will be more effective than studying at a six hour stretch. Studying while you are mentally fatigued is usually a waste of time;
  
• Study the most difficult material when you are alert