Τhe Dictionary of #Psychology and Psychoanalysis Trends 6

 

#Fluid #intelligence (1941): 

A fundamental factor of human #intelligence, derived from factor #analysis, corresponding roughly to non-verbal reasoning, requiring rapid understanding of #novel #relationships, measured by #tests such as #Raven's Progressive Metrics. 

As a concept, it was introduced in an article by the US psychologist Raymond Bernard #Cattell (1905-1998) in the journal 'Psychological Bulletin' in 1941 and became widely known after the publication of his book 'Abilities: Their structure, Growth and Action (1971).

Source: Source: The Oxford Dictionary of Psychology - Andrew M. Colman (4th edition, 2015: Oxford University Press).