Every trouble in a child's life is the result of something. Sometimes, simple unawareness in the childish psychology could cause many uncured psychological complexes and troubles. Every children psychologist suggests that it is better to prevent than to cure.
Cheaters
Why do children cheat? They could be afraid to be responsible for their actions, try to escape the conflicts, aim quicker result without much effort or just for fun. Everything is understandable, but there is difference between flexibility in a life and intentional cheating people to believe in something in order to get some profit. It is one of the behavior deviations.
How does it influence a child? First of all, cheating is discovered once, and the children of the same age could be very cruel as for this. A child could lose his reputation, being accused in cheating all the time, till the situation when a child is to migrate from school in order to stay mentally health. A desire to achieve easy result with the help of cheating (for example, when a child is to pass a difficult test) can become a usual habit, even if it is discovered by the teachers or other kids. The children understand it as an unfair behavior ("Why does he get good marks for cheating, while I do not cheat and get the similar mark?") and could blame a cheater for that very hardly.
So, how to prevent cheating? First of all, it is important to start a hard work with a) child's self-confidence in personal strength and b) suggestion that cheating is a bad habit. Illustrate the results of the possible cheating. Let a child understand how he/she could feel to be caught. What do the schoolmates think of him/her? Stress, depression, embarrassment and shame – is it something a child needs to feel? Let a kid understand that you worry of him/her and get upset when you find bad news about him/her, make sure that your child rather tell you about his/her worries than make the wrong decision like cheating.