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  2. Maslow's hierarchy of needs - Wikipedia

    en.wikipedia.org/wiki/Maslow's_hierarchy_of_needs

    Maslow's hierarchy of needs is an idea in psychology proposed by American psychologist Abraham Maslow in his 1943 paper "A Theory of Human Motivation" in the journal Psychological Review. [1] The theory is a classification system intended to reflect the universal needs of society as its base, then proceeding to more acquired emotions. [ 18 ]

  3. Biological tests of necessity and sufficiency - Wikipedia

    en.wikipedia.org/wiki/Biological_tests_of...

    Biological tests of necessity and sufficiency refer to experimental methods and techniques that seek to test or provide evidence for specific kinds of causal relationships in biological systems. A necessary cause is one without which it would be impossible for an effect to occur, while a sufficient cause is one whose presence guarantees the ...

  4. Necessity and sufficiency - Wikipedia

    en.wikipedia.org/wiki/Necessity_and_sufficiency

    Under the classical theory of concepts, how human minds represent a category X, gives rise to a set of individually necessary conditions that define X. Together, these individually necessary conditions are sufficient to be X. [10] This contrasts with the probabilistic theory of concepts which states that no defining feature is necessary or ...

  5. What is Maslow’s hierarchy of needs? A psychology theory ...

    www.aol.com/maslow-hierarchy-needs-psychology...

    We explain the commonly circulated concept with some examples of how it translates in the real world. What is Maslow’s hierarchy of needs? We explain the commonly circulated concept with some ...

  6. Cognitive categorization - Wikipedia

    en.wikipedia.org/wiki/Cognitive_categorization

    The classical theory of categorization, is a term used in cognitive linguistics to denote the approach to categorization that appears in Plato and Aristotle and that has been highly influential and dominant in Western culture, particularly in philosophy, linguistics and psychology.

  7. Murray's system of needs - Wikipedia

    en.wikipedia.org/wiki/Murray's_system_of_needs

    In 1938, the American psychologist Henry Murray developed a system of needs as part of his theory of personality, which he named personology.Murray argued that everyone had a set of universal basic needs, with individual differences among these needs leading to the uniqueness of personality through varying dispositional tendencies for each need; in other words, a specific need is more ...

  8. Need theory - Wikipedia

    en.wikipedia.org/wiki/Need_theory

    Need theory, also known as Three needs theory, [1] proposed by psychologist David McClelland, is a motivational model that attempts to explain how the needs for achievement, affiliation, and power affect the actions of people from a managerial context.

  9. Need - Wikipedia

    en.wikipedia.org/wiki/Need

    One difficulty with a psychological theory of needs is that conceptions of "need" may vary radically among different cultures or among different parts of the same society. For a psychological theory of human need, one found compatible with the Doyal/Gough Theory, see self-determination theory.