Each stage of the cycle is composed of many dimensions including attitudes, beliefs, intentions, effort, and withdrawal which can all affect the motivation that an individual experiences.Most psychological theories hold that motivation exists purely within the individual, but socio-cultural theories express motivation as an outcome of participation in actions and activities within the cultural context of social groups.
In extrinsic motivation, the harder question to answer is where do people get the motivation to carry out and continue to push with persistence.
Usually extrinsic motivation is used to attain outcomes that a person wouldn't get from intrinsic motivation.
Disadvantages: Efforts at fostering intrinsic motivation can be slow to affect behavior and can require special and lengthy preparation.
Students are individuals, so a variety of approaches may be needed to motivate different students.
The field of behavioural economics is particularly concerned with the limits of rationality in economic agents.