Some courses will require four hours for every hour of class and some will require thirty minutes. Yes, unlike high school, it takes effort even to make Cs. As and Bs come much harder. Studying is like any job. With time and effort and attention, you can learn to do it well.
Concentration Complete the attached checklists in order to be aware of distractions.
Divide the assignment into three or four segments. Read the first segment. When your attention starts drifting, stop, turn away from the book, note the number of paragraphs you were able to read with concentration. Briefly review those paragraphs and remind yourself of the key points, then continue reading this first segment. Repeat this process as often as necessary until you complete the segment.