> People have not gotten smarter so whatever these tests are measuring and however well they predict success, they're not measuring intelligence. This is obvio

> People have not gotten smarter so whatever these tests are measuring and however well they predict success, they're not measuring intelligence. This is obviously true, except other changes have happened. People have got taller. I'm no expert but I believe that's mostly down to better nutrition. Is it possible that better nutrition has also led to people getting smarter? I'm not sure. I wouldn't bet on it, but it doesn't seem completely impossible either.