tic theory, according to the authors, is built, in large measure upon Maslow's identification of a hierarchy of human needs in which the four lower-level needs, or deficiency needs, are for survival, safety, belonging, and self-esteem.
As these lower level needs are met, a person is said to have a decreased motivation for them and can finally move on to the three higher-level needs for intellectual achievement, aesthetic appreciation, and self-actualization or the realization of his or her own potential. Unlike the deficiency n
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