1.Having too much things to do in a short time.
2.Lack of interest.
3.Being tired.
4.Being not prepared.
5.Too noisy,
6.Emotional problems.
7.Lack of goal and motivation.
8.Too difficult task.
9.Being a perfectionist.
[Ways to improve concentration:]
1.Break tasks into smaller sessions.
2.Develop a positive attitude towards a certain subject.
3.Get enough sleep.
4.Be prepared earlier.
5.Study at a quiet place.
6.Calm down before studying.
7.Remember the purpose of studying.
8.Take longer time to understand difficult subjects.
9.Be patient and take try to complete one task at a time.
Assimilating Knowledge For Success