Given the same amount of time spent on TC, you'd definitely have the expected correlation (with the usual IQ common cause if nothing else). But I agree that onc

Given the same amount of time spent on TC, you'd definitely have the expected correlation (with the usual IQ common cause if nothing else). But I agree that once someone gets reasonably competitive in an area (esp. one w/ game-like mechanics and public recognition), they're at risk for overspecialization.