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Human vestigiality. The muscles connected to the ears of a human do not develop enough to have the same mobility allowed to monkeys. Arrows show the vestigial structure called Darwin's tubercle. In the context of human evolution, vestigiality involves those traits occurring in humans that have lost all or most of their original function through ...
A psychological adaptation is a functional, cognitive or behavioral trait that benefits an organism in its environment. Psychological adaptations fall under the scope of evolved psychological mechanisms (EPMs), [2] however, EPMs refer to a less restricted set. Psychological adaptations include only the functional traits that increase the ...
Psychology. In psychology, trait theory (also called dispositional theory) is an approach to the study of human personality. Trait theorists are primarily interested in the measurement of traits, which can be defined as habitual patterns of behavior, thought, and emotion. [1] According to this perspective, traits are aspects of personality that ...
Doctoral advisor. Francis Aveling, King's College London. Raymond Bernard Cattell (20 March 1905 – 2 February 1998) was a British-American psychologist, known for his psychometric research into intrapersonal psychological structure. [1][2] His work also explored the basic dimensions of personality and temperament, the range of cognitive ...
Vestigiality. In humans, the vermiform appendix is sometimes called a vestigial structure as it has lost much of its ancestral digestive function. Vestigiality is the retention, during the process of evolution, of genetically determined structures or attributes that have lost some or all of the ancestral function in a given species. [1]
Personality type. In psychology, personality type refers to the psychological classification of individuals. In contrast to personality traits, the existence of personality types remains extremely controversial. [1][2] Types are sometimes said to involve qualitative differences between people, whereas traits might be construed as quantitative ...
The alternative five factor model of personality is based on the claim that the structure of human personality traits is best explained by five broad factors called impulsive sensation seeking (ImpSS), [note 1] neuroticism – anxiety (N-Anx), aggression–hostility (Agg-Host), sociability (Sy), and activity (Act). [2]
Individual psychology. Individual psychology (‹See Tfd› German: Individualpsychologie) is a psychological method or science founded by the Austrian psychiatrist Alfred Adler. [1][2] The English edition of Adler's work on the subject (1925) is a collection of papers and lectures given mainly between 1912 and 1914.