>>11407425I'd say yes. Intelligence as I understand is the cognitive ability of a human. Not being able to concentrate properly on problems means you are less capable at solving them which in my understanding means that you are less intelligent.
IQ is determined by solving a bunch of problems. As such if you cannot concentrate on them it means that you are less capable at solving them resulting in a lower score. Thus I conclude that the attention span correlates with both intelligence and IQ.
