Increasing amount of companies currently tend to be interested in various options that aim is to help them raise effectiveness of diverse resources. A quite popular term referred to topic of such developments is related to human resources. Despite the fact that this term for many people has some bad connotations, as the people employed are no longer treated like human beings, we should not forget that there are many solutions at present that might help us make them work more effective with respecting their right to make mistakes etc.