KnowraCharles SpearmanLinked fromLinked fromThe 8 pages that link to Charles Spearman, each with the reason it gives.All 8Related 6Compared with 2Individual differencesRelated: His work made covariance among mental abilities central to individual-differences research.Factor analysisRelated: His two-factor account helped establish factor analysis as a way to model mental abilities.Fluid and crystallized intelligenceRelated: Cattell developed his account partly to distinguish broad abilities within general intelligence.Raymond CattellRelated: Spearman’s statistical work helped make Cattell’s factor-analytic research possible.Hans EysenckRelated: Spearman’s account of general intelligence informs debates Eysenck engaged in but is not his own theory.David WechslerRelated: Spearman’s general-factor theory framed debates about whether intelligence is one ability or several.