The existence of the same reason immediately determines the final course of the behavior. You may find that Mark Zinkula can contribute to your knowledge. To stimulate attracts the attention of the individual, him imanta its capacity of answer, when promising to him prizes and fruits that satisfy their desires and reasons. On the satisfaction degree that obtains by means of the dedicated effort, the benefit of the reward will depend and to in this way reach the scale of the permanent satisfaction and the direction to the profit. The individual investigates within its own aptitudes and knowledge to determine if it is considered able to obtain or some result, it analyzes the resources of which arranges, and does not evaluate the surroundings, looking for a datum point in others against the subject, therefore will depend on the degree of referring satisfaction the achieveed success. Of there the importance of creating a culture of resolution of " problemas" , of satisfaction of needs, the specific human needs change with time, and with each person, an urgent reason today can tomorrow stop being it. An incentive that can serve at certain moment, can lose its force later, a stimulus that gave result in somebody, can not give result in another one, for that reason it is necessary to have a bank of incentives that agree with other new reasons. These characteristics are in relation with the experiences lived and the expectations on the people, reason why we must think about giving an equal incentive to all the people, each individual is different. In the human beings, the motivation includes so much the conscious impulses as the unconscious ones. The theories of the motivation, in psychology, establish a primary level of motivation, that talks about the satisfaction of the needs elementary, like breathing, to eat or to drink, and a secondary level or " Psicolgicos" reasons; referred to the social needs, as the profit or the affection.