Explanation behind the non-g gains in the Flynn Effect : Introducing the measurement invariance model

The phenomenon known as secular IQ gains, or Flynn Effect, is sometimes or perhaps even regularly, viewed as a reason to expect the disappearance of the black-white IQ gap. Not only the logic behind this line of reasoning is a pure non sequitur, it is also disconcerting that the question of g (loadings) and measurement invariance (equivalence) seems to have been underdiscussed.

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