KnowraFluid and crystallized intelligenceLinked fromLinked fromThe 6 pages that link to Fluid and crystallized intelligence, each with the reason it gives.All 6Broader topic 1Related 3Compared with 2Intelligence quotientRelated: IQ tests sample different mixes of these partly distinct abilities.Intelligence testingRelated: The distinction helps explain why tests sample different kinds of cognitive performance.Flynn effectRelated: Gains have often been larger on tests of abstract reasoning than on tests of acquired knowledge.