Task master: Categorizing rewards improves motivation

When it comes to motivating others and ourselves, it turns out offering rewards in defined categories, even when they are largely meaningless, can heighten motivation. Even if the rewards are the similar -- and the categories arbitrary -- the very act of segmenting rewards motivates people to perform better and longer.

Fuente : http://www.eurekalert.org/pub_releases/2013-05/ums...