Photo by L.A. Cicero

Social psychologist Jennifer Aaker led the project studying happiness and meaningfulness in life.

Don't underestimate the power of meaningfulness, Stanford researchers say

A Stanford research project explored the key differences between lives of happiness and meaningfulness. While the two are similar, dramatic differences exist – and meaningfulness proved to be a powerful force. "The quest for meaning is a key part of what makes us human," the researchers concluded.