The Wiki page is voluminous enough to approach gish galloping, and the Talk page is almost as big https://en.wikipedia.org/wiki/G_factor_(psychometrics)
Asking because someone in another forum basically said that while IQ might be discredited, “g” is valid.
yeah, absolutely. Some editors find it a bit lazy and annoying, but it’s still a vast improvement over no reference. In fact there are bots that will attempt to turn URLs into nicely formatted references.