Predicting risk sensitivity in humans and lower animals: risk as variance or coefficient of variation
Psychological Review (2004) - Comment
pubmed: 15065916  doi: 10.1037/0033-295x.111.2.430  issn: 1939-1471  issn: 0033-295x 

Elke U. Weber, Sharoni Shafir, Ann-Renée Blais