Analysis of collateral data : a method for assessing and correcting the effects of attrition on internal validity
Ashurst, James T.
Analysis of collateral data : a method for assessing and correcting the effects of attrition on internal validity - 215-234 - |992 60, No. 3
Marzo 1993 = JOURNAL OF EXPERIMENTAL EDUCATION
ANALISIS DE DATOS AYUDAS ESTADISTICAS FRICCION (ESTUDIOS DE INVESTIGACION) VALIDEZ
Analysis of collateral data : a method for assessing and correcting the effects of attrition on internal validity - 215-234 - |992 60, No. 3
Marzo 1993 = JOURNAL OF EXPERIMENTAL EDUCATION
ANALISIS DE DATOS AYUDAS ESTADISTICAS FRICCION (ESTUDIOS DE INVESTIGACION) VALIDEZ