Answer:
RSES Rosenberg's Self-Esteem Scale
"Rosenberg's Self-Esteem Scale is a brief and unidimensional measure of global self-esteem. The Rosenberg Self-Esteem Scale has demonstrated good reliability and validity across a large number of different sample groups. The SES has been validated for use with substance abusers and other clinical groups and is regularly used in treatment outcome studies. The scale has been validated for use with both male and female adolescent, adult, and elderly populations. It has been used with francophone populations but studies were not found on the use of the SES with other specific cultural groups."
-European Monitoring Centre for Drugs and Drug Addiction: Rosenberg Self-Esteem Scale (SES)