20 | COSERE 2.3.5. Clayton Paul Alderfer – ERG theory. Developed Maslow’s hierarchy of needs. ERG theory suggests that there are three groups of core needs: existence (E), relatedness (R), and growth (G). These groups align with Maslow’s levels of physiological needs, social needs, and self-actualisation needs, respectively. Existence needs concern our basic material requirements for living (physiological needs - air, food, water, shelter, and safety-related needs - health, secure employment, property). Relatedness needs have to do with the importance of maintaining interpersonal relationships. These needs are based on social interactions (love/belonging-related needs - friendship, family, and sexual intimacy, and esteem-related needs - gaining the respect of others). Growth needs describe intrinsic desire for personal development (self-esteem needs - self-esteem, self-confidence, and achievement and self-actualisation needs - morality, creativity, problem-solving, discovery). Alderfer proposed that when a certain category of needs isn’t being met, people will redouble their efforts to fulfil needs in a lower category. For example, if someone’s self-esteem is suffering, he or she will invest more effort in the relatedness category of needs. https://courses.lumenlearning.com/wm-introductiontobusiness/chapter/alderfers-erg-theory/
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