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The g factor [a] is a construct developed in psychometric investigations of cognitive abilities and human intelligence.It is a variable that summarizes positive correlations among different cognitive tasks, reflecting the assertion that an individual's performance on one type of cognitive task tends to be comparable to that person's performance on other kinds of cognitive tasks.
The g Factor was reviewed favorably by Canadian psychologist J. Philippe Rushton, who called it "an awesome and monumental exposition of the case for the reality of g." [3] Robert Sternberg was more critical in his review, writing that "there is a great deal of evidence of various kinds that the general factor does not do what Jensen claims."
His 1996 book The g Factor: General Intelligence and Its Implications led to accusations of scientific racism and sexism, and his university lectures were protested and closed by the Anti-Nazi League of Edinburgh. Brand's book was subsequently withdrawn by publisher John Wiley & Sons. [13] It was then published free on the web by Douance. [14]
However, later Spearman introduced group factor that was particular to those correlations that were not a result of factor g or s. His ideas were in 1938 criticized on paper by psychologist Louis L. Thurstone who argued his own experiments showed that intelligence formed seven primary categories: numerical, reasoning, spatial, perceptual ...
Various researchers have criticized the statistical techniques used by Guilford. According to Jensen (1998), Guilford's contention that a g-factor was untenable was influenced by his observation that cognitive tests of U.S. Air Force personnel did not show correlations significantly different from zero. According to one reanalysis, this ...
g-factor (physics), a quantity related to the magnetic moment of an electron, nucleus, or other particle; The g Factor: The Science of Mental Ability, a book by Arthur R. Jensen about the psychometric concept; The g Factor: General Intelligence and Its Implications, a book by Chris Brand about the psychometric concept
The g Factor: General Intelligence and Its Implications is a book by Christopher Brand, a psychologist and lecturer at the University of Edinburgh. It was published by John Wiley & Sons in the United Kingdom in March 1996. The book was "depublished" by the publishing house on April 17, which cited "deep ethical beliefs" in its decision to ...
Factor analysis became a powerful tool to help uncover the basic dimensions underlying a confusing array of surface variables within a particular domain. [8] Factor analysis was built upon the earlier development of the correlation coefficient, which provides a numerical estimate of the degree to which variables are "co-related". For example ...