Which Psychologist Proposed The Existence Of G?
Which Psychologist Proposed The Existence Of G? British psychologist Charles Spearman Who developed G theory? Clayton Paul Alderfer is an American psychologist who developed Maslow’s hierarchy of needs into a theory of his own. Alderfer’s ERG theory suggests that there are three groups of core needs: existence (E), relatedness (R), and growth (G)—hence the acronym