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The correlation comes from low scores. Moreover, above 70 IQ is not even well correlated with itself as variability between results for the same person is like
by fpoling 6y ago
The correlation comes from low scores. Moreover, above 70 IQ is not even well correlated with itself as variability between results for the same person is like 20%.
- JamesBarney 6y agoFrom wikipedia > Psychometricians generally regard IQ tests as having high statistical reliability.[10][65] Reliability represents the measurement consistency of a test.[66] A reliable test produces similar scores upon repetition https://en.wikipedia.org/wiki/Intelligence_quotient#Reliability_and_validity https://en.wikipedia.org/wiki/Intelligence_quotient#Reliabil... > The correlation comes from low scores. Look at the pictures in this study, that is absolutely not the case, and it will take only a minute to verify. Frey, M. C., & Detterman, D. K. (2004). Scholastic Assessment or g? Psychological Science, 15(6), 373–378. doi:10.1111/j.0956-7976.2004.00687.x