concepts
Raymond Cattell identified fluid (Gf) and crystallized intelligence (Gc) as two facets of general intelligence. He classified them as subsets of general intelligence (or Spearman's g), as his shorthand notation makes plain.Fluid intelligence is the ability to solve novel problems and to manage ambiguous or completing data. [Source: Encyclopedia of Giftedness, Creativity, and Talent; Fluid and Crystallized Intelligence]
fluid and crystallized intelligence
intelligence
intelligence assessment