"Only the SS (sensation seeking) and the IMP (impulsiveness) subscales of the SURPS predicted substance use outcomes at 16 years of age."
Duh.
[1] http://onlinelibrary.wiley.com/wol1/doi/10.1111/acer.12886/f...
Even these two factors (SS & IMP) are not very predictive, but I suspect this is because they are so poorly measured by this test.
"Only the SS (sensation seeking) and the IMP (impulsiveness) subscales of the SURPS predicted substance use outcomes at 16 years of age."
Duh.
[1] http://onlinelibrary.wiley.com/wol1/doi/10.1111/acer.12886/f...