Hoxby, Caroline Minter
The effects of class size and composition on student achievement: new evidence from natural population variation .-- Massachusetts : National Bureau of Economics Research [NBER] , 1998
.--60 p. tabl, map. 22 cm. .-- ( NBER working paper; 6869 ).
Resumen, bibliografía
EDUCACION
DEMOGRAFIA
ESTADOS UNIDOS
ANALISIS MATEMATICO
The effects of class size and composition on student achievement: new evidence from natural population variation .-- Massachusetts : National Bureau of Economics Research [NBER] , 1998
.--60 p. tabl, map. 22 cm. .-- ( NBER working paper; 6869 ).
Resumen, bibliografía
EDUCACION
DEMOGRAFIA
ESTADOS UNIDOS
ANALISIS MATEMATICO