Alderfer theory

Theory which further expands and explains "Maslow's hierarchy of needs"

The ERG theory is a theory of human need proposed by Clayton Alderfer, which developed Maslow's hierarchy of needs by categorizing needs relating to existence, relatedness and growth.

Details of the theory

In , psychologist Clayton Alderfer developed Abraham Maslow's hierarchy of needs by categorizing the hierarchy into his ERG theory (Existence, Relatedness and Growth).

The existence category is concerned with the need for providing the basic material existence requirements of humans.

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The relatedness category is concerned with the desire for maintaining important interpersonal relationships. The growth category is concerned with the desire for personal development. These include the intrinsic component from Maslow's esteem category and the characteristics included under self-actualization.^[1]

Alderfer categorized Maslow's physiological needs and Maslow's safety needs into th