List of 2 causes of Ashen gray skin. This section shows a full list of all the diseases and conditions listed as a possible cause of Ashen gray skin in our database from various sources.
Motivational Theories definition. Motivational theory is tasked with discovering what drives individuals to work towards a goal or outcome. Businesses are interested in motivational theory because motivated individuals are more productive, leading to more economic use of resources.
Psychologists have proposed different theories to explain motivation: 1  Instincts: The instinct theory of motivation suggests that behaviors are motivated by instincts. An instinct is a fixed and inborn pattern of behavior. 2  Drives and Needs: Many of our behaviors such as eating, drinking and sleeping are motivated by biology.