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Ideally, nearly all of the measured variance will be attributed to the object of measurement (e.g. individual differences), with only a negligible amount of variance attributed to the remaining facets (e.g., rater, time, setting). The results from a G study can also be used to inform a decision, or D, study.
His 1996 book The g Factor garnered considerable media attention with its claim that inherited general intelligence was like psychological money. Brand wrote that general intelligence is an important factor in determining life outcomes for those with lower scores.
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.
Under certain conditions the score of a person at a mental test can be divided into two factors, one of which is always the same in all tests, whereas the other varies from one test to another; the former is called the general factor or g, while the other is called the specific factor. This then is what the g term means, a score-factor and ...
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 ...
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."
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 may refer to: g factor (psychometrics), a model used to describe the commonality between cognitive ability test results; 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