Study: Personality set for life by first grade

“We remain recognizably the same person,” said study author Christopher Nave, a doctoral candidate at the University of California, Riverside. “This speaks to the importance of understanding personality because it does follow us wherever we go across time and contexts.”…

They examined four personality attributes — talkativeness (called verbal fluency), adaptability (cope well with new situations), impulsiveness and self-minimizing behavior (essentially being humble to the point of minimizing one’s importance).