people to find the "why" behind the desired goal within themselves. According to Sheldon et al., "Therapists who fully endorse self-determination principles acknowledge the limits of their responsibilities because they fully acknowledge that ultimately people must make their own choices" (2003, p. 125). One needs to determine their reasons for being motivated and reaching their goal. SDT comprises The Organismic Dialectic approach, which is a meta-theory, and a formal theory containing mini-theories focusing on the connection between extrinsic and intrinsic motivations within society and an individual. SDT is continually being developed as individuals incorporate the findings of more recent research. As SDT has developed, more mini-theories have been added to what was originally proposed by Deci and Ryan in 1985. Generally, SDT is described as having either five or six mini-theories. The main five mini-theories are cognitive evaluation theory, organismic integration theory, causality orientations theory, basic needs theory, and goal contents theory. The sixth mini-theory that some sources include in SDT is called Relational Motivation Theory. SDT centers around the belief that human nature shows persistent positive features, with people repeatedly showing effort, agency, and commitment in their lives that the theory calls inherent growth tendencies. "Self-determination also has a more personal and psychology-relevant meaning today: the ability or process of making one’s own choices and controlling one’s own life." The use of one's personal agency to determine behavior and mindset will help an individual's choices. Summary of the SDT mini-theories Cognitive evaluation theory (CET): explains the relationship between internal motivation and external rewards. According to CET, when external rewards are controlling, when they pressure individuals to act a certain way, they diminish internal motivation. On the other hand, when external motivations are informational and provide feedback about behaviors, they increase internal motivation. Organismic integration theory (OIT): suggests different types of extrinsic motivations and how they contribute to the socialization of the individual. This mini-theory suggests that people willingly participate in activities and behaviors that they do not find interesting or enjoyable because they are influenced by external motivators. The four types of extrinsic motivations proposed in this theory are external regulation, introjected regulation, identified regulation, and integrated regulation. Causality orientations theory (COT): explores individual differences in the way people motivate themselves in regards to their personality. COT suggests three orientations toward decision making which are determined by identifying the motivational forces behind an individual's decisions. Individuals can have an