Maslow's Hierarchy of Needs is a theory of motivation that proposes that individuals are motivated to satisfy certain basic needs, such as hunger, thirst, and sleep, before they can move on to higher-level needs, such as self-actualization.

Vroom's Expectancy Theory is a theory of motivation that proposes that individuals are motivated by a desire to achieve specific goals. The theory states that individuals are more likely to be motivated to achieve a goal if they believe that they have the ability to achieve it (expectancy) and if they value the goal (valence).

Adams' Equity Theory is a theory of motivation that proposes that individuals are motivated by a desire to maintain equity in their relationships. The theory states that individuals are more likely to be motivated to work hard if they believe that they are being treated fairly by their employer.

Skinner's Operant Conditioning Theory is a theory of motivation that proposes that individuals are motivated by a desire to avoid punishment. The theory states that individuals are more likely to avoid behaviors that have been punished in the past.

Cannon's Homeostasis Theory is a theory of motivation that proposes that individuals are motivated by a desire to achieve a state of balance or homeostasis. The theory states that individuals are motivated to engage in behaviors that help them to maintain a stable internal environment.

Deci and Ryan's Self-Determination Theory is a theory of motivation that proposes that individuals are motivated by a desire to achieve a sense of competence. The theory states that individuals are more likely to be motivated to engage in behaviors that they believe they are good at.

Deci and Ryan's Self-Determination Theory is a theory of motivation that proposes that individuals are motivated by a desire to achieve a sense of autonomy. The theory states that individuals are more likely to be motivated to engage in behaviors that they feel they have control over.

Deci and Ryan's Self-Determination Theory is a theory of motivation that proposes that individuals are motivated by a desire to achieve a sense of relatedness. The theory states that individuals are more likely to be motivated to engage in behaviors that they feel connected to others.

Frankl's Existential Theory is a theory of motivation that proposes that individuals are motivated by a desire to achieve a sense of purpose. The theory states that individuals are more likely to be motivated to engage in behaviors that they believe are meaningful and worthwhile.

Maslow's Transpersonal Theory is a theory of motivation that proposes that individuals are motivated by a desire to achieve a sense of transcendence. The theory states that individuals are more likely to be motivated to engage in behaviors that help them to connect with something greater than themselves.