If we want those results to explain properly then we have to take into account that our respondents mostly belong to the period of late childhood and puberty. That's the period of a hasty physical development, a period when hastily increased demands of parents and teachers make the children nervous and irritated. That's the period when young people are not ready for work, when they comfort to the parents and teachers authority, when they escape in an isolation and imagination. Therefore we have the manifestation of irresponsibility which the coach noticed regularly. The coaches estimations confirm that we talk about sportsmen in a development period which characterizes an emotional instability - there are hasty changes of mood, emotional reactions are controlled with difficulty, there is a feeling of anxiety and with the absence of self-confidence. It is expected from the coach to know something more about this psychology of children and youth if he wants to achieve greater success at practicing sports skills as well as a total individual development of young sportsmen. For example, it is expected from the coach to notice when a child is not mature emotionally enough to take part in a specific task of a group, when it is not possible to conform in the group and appreciate the demands of the group. Even when there is a psychological mature (mental, emotional and voluntary) for learning specific karate skills, the coach needs to know that in a late childhood and puberty young people have a stressed need for game, so that the training is organized as some way of a creative game. .
