>For instance, IQ was believed to be one generic measure of human intelligence, on which Young’s meritocracy was based. But a century of research on IQ and life success has largely dispelled the once widely spread myth about the importance of IQ (Arrow et al., 2000; Gardner, 1983; Goleman, 1995; Gould, 1996; Zhao, 2016). Based on longitudinal studies on IQ and life’s success that lasted multiple decades, researchers conclude that: “the value of the IQ scores should not be overestimated” (Firkowska-Mankiewicz, 2002, p. 41).
Besides that, even if an analytical weighting cannot be given, it doesn't mean we can't examine the effects qualitatively.
>The results demonstrate that intelligence is a powerful predictor of success but, on the whole, not an overwhelmingly better predictor than parental SES or grades. Moderator analyses showed that the relationship between intelligence and success is dependent on the age of the sample but there is little evidence of any historical trend in the relationship.
>For instance, IQ was believed to be one generic measure of human intelligence, on which Young’s meritocracy was based. But a century of research on IQ and life success has largely dispelled the once widely spread myth about the importance of IQ (Arrow et al., 2000; Gardner, 1983; Goleman, 1995; Gould, 1996; Zhao, 2016). Based on longitudinal studies on IQ and life’s success that lasted multiple decades, researchers conclude that: “the value of the IQ scores should not be overestimated” (Firkowska-Mankiewicz, 2002, p. 41).
https://spssi.onlinelibrary.wiley.com/doi/pdf/10.1111/josi.1...
Besides that, even if an analytical weighting cannot be given, it doesn't mean we can't examine the effects qualitatively.
>The results demonstrate that intelligence is a powerful predictor of success but, on the whole, not an overwhelmingly better predictor than parental SES or grades. Moderator analyses showed that the relationship between intelligence and success is dependent on the age of the sample but there is little evidence of any historical trend in the relationship.
https://www.sciencedirect.com/science/article/pii/S016028960...