TY  - SER
AU  - Duckworth, Angela Lee.                  
TI  - Self-discipline gives girls the edge: gender in self-discipline, grades, and achievement test scores 
PY  - 2006///
KW  - Academic achievement
KW  - Gender differences
KW  - Self-control
KW  - Self-discipline
KW  - Standardized texts
N1  - Psychology
ER  -