I’m somewhat suspicious that this is an artifact of the way we usually measure IQ since tests often look like “more IQ for more questions answered correctly in a fixed amount of time”, so unless we really mean to include speed in our measures of g, this seems possibly spurious.
I’m somewhat suspicious that this is an artifact of the way we usually measure IQ since tests often look like “more IQ for more questions answered correctly in a fixed amount of time”, so unless we really mean to include speed in our measures of g, this seems possibly spurious.