Educational psychologists such as teachers use Abraham Maslow's concept of hierarchy of needs to expand arousal, competence, self-determination, universality, and diversity for understand the various approaches taken by humans of basic human needs needs satisfaction. For example, teachers who follow Abraham Maslow's hierarchy of needs know how to provide appropriate strategies and lesson plans and, furthermore, provide students with a broad environment for study as they strive to achieve self-actualization with the aim of satisfying their basic needs.