I've taught statistics, math courses and what I've found is that often if you teach them algebraically the formulas, you'll have one group of kids doing well.

And in order to succeed in later life, you need creative skills because look at how fast the world is changing.

So, for example, if a child is labeled as having a learning disability, it has very concrete consequences for the kinds of services and potentially accommodations that child will get.

But what many psychologists have done, probably because they did well on a test themselves and everyone wants high self esteem, is to create this little box and then do their research inside it.

If you're not adapting to the very rapidly changing environment, if you can't think creatively, you lose big in this society because there are very few jobs for you left.

I had planned to be a psychology major, but I bombed introductory psychology.

And so, you can do hundreds and hundreds of studies showing a general factor and just so long as you restrict your populations, your testing materials and the kinds of situations you look at, you can keep finding the same wrong thing again and again.