Sure, but shouldn't satiety also factor in how long you feel full for? And that's where GI comes in - high GI foods cause blood sugar spikes, and the crash wil

Sure, but shouldn't satiety also factor in how long you feel full for? And that's where GI comes in - high GI foods cause blood sugar spikes, and the crash will make you feel hungry again. Pasta is a good example - it feels very satiating at the time, but the feeling doesn't last long.