In view of the observations and analyses conducted. This article argues that the mathematical relationship of stimulation and quality does not necessariy emerge in the linear form. In other words, the increase of motivation does not entail the quality improvement. Therefore the relationship between stimulation and quality is, under special circumstances, direct and often converse to the extent that in the its most logical form, the manner of this dual relationship is a third degree-function, working towards establishing a positive interconnection in some freguencies.