Do not study similar subjects, such as sociology and psychology, back to back. This tends to increase interference and makes the retention of material more difficult. You will probably need revisions, but you must stick to it to succeed. Do not let yourself be distracted. Let everyone know that this is your study time and you will be free at a later time.
Much emphasis is placed upon the terms hard and difficult, when thinking of exams.
It is natural to have some tension, but panic is destructive. This is rather a common cause. Here the student follows the group. Seen usually in teenage groups. Seeds of doubt.