The whiny kids tended to grow up conservative, and turned into rigid young adults who hewed closely to traditional gender roles and were uncomfortable with ambiguity.
The confident kids turned out liberal and were still hanging loose, turning into bright, non-conforming adults with wide interests.
Forgive my whiny ignorance, but this sounds like psychobabble for: the liberal kids haven’t got around to finding a job yet.
Update: Dan says, “Always Consider The Source”.
Update, Wednesday March 22 Shrinkwrapped explores Social Science Mis-Reporting and the Value of Skepticism