| 000 | 00729nam a2200241 a 4500 | ||
|---|---|---|---|
| 005 | 20210219152851.0 | ||
| 008 | 991125n 000 0 eng u | ||
| 035 | _aUPN01000064138 | ||
| 100 | _aAshurst, James T. | ||
| 222 | _aJOURNAL OF EXPERIMENTAL EDUCATION | ||
| 245 | _aAnalysis of collateral data : a method for assessing and correcting the effects of attrition on internal validity | ||
| 300 | _a215-234 | ||
| 362 | _a|992 60, No. 3 | ||
| 505 | _aMarzo 1993 | ||
| 653 | 0 | _aANALISIS DE DATOS | |
| 653 | 0 | _aAYUDAS ESTADISTICAS | |
| 653 | 0 | _aFRICCION (ESTUDIOS DE INVESTIGACION) | |
| 653 | 0 | _aVALIDEZ | |
| 700 | _aRocha, Olivia de la | ||
| 700 | _aTobis, Jerome | ||
| 904 |
_aAC _b001949 |
||
| 905 | _aArticulo | ||
| 999 |
_c62438 _d62438 |
||