Is There a Single Unified General Intelligence?

Kurt Fisher was a neo-Pigetian. Kurt looked at the microdevelopmental. Like even within a single domain of practice, there's different skills. And so yes, it is not the case that there's a single unified general intelligence in part because what we think of as that is mostly a certain kind of limited mathematical, linguistic and spatial intelligence. But you do have in the skill development model, the Neo Piaget development model that I'm speaking from. You do have these notions of transfer. Some people are very good at transfer, which means that they made it quite far in one skill domain like playing music. Actually allowed them to advance faster in new areas because