I’d be very surprised if sensory discrimination correlated with g at a rate of 1.0. That’s higher than IQ tests. If the correlation was really that high we wouldn’t need IQ tests at all. We could just use sensory discrimination instead.
The issue is that it’s the general factor of sensory discrimination that correlates highly with IQ; sensory discrimination within each specific sense only has a meh loading on the sensory discrimination factor. So you would need to measure sensory discrimination on a lot of senses to accurately measure intelligence using it, but most senses are probably more bothersome to measure than a standard IQ test is.
Though yes I agree that 1.0 is unrealistically high and the lower end of the range I gave is more plausible. If I recall correctly, the 1.0 study had a low sample size.
The issue is that it’s the general factor of sensory discrimination that correlates highly with IQ; sensory discrimination within each specific sense only has a meh loading on the sensory discrimination factor. So you would need to measure sensory discrimination on a lot of senses to accurately measure intelligence using it, but most senses are probably more bothersome to measure than a standard IQ test is.
Though yes I agree that 1.0 is unrealistically high and the lower end of the range I gave is more plausible. If I recall correctly, the 1.0 study had a low sample size.