[WalterBright]

I didn't spend a dime on SAT prep and I did reasonably well (good enough to get into Caltech).

[niels_olson]

Perhaps you didn't give money to Princeton Review or Kaplan, but I'm guessing you didn't walk home barefoot to abusive parents in Louisiana either.

[Steko]

Good thing there were no questions about extrapolating from a sample size of 1.

[WalterBright]

Since the parent said "solely" all it takes is a single counterexample :-)

[sizzle]

and that's why you are posting on HN, with other members of above-average baseline intelligence.