TY  - BOOK
AU  - SCHERPENZEEL, Annette C
AU  - SARIS, Willem E., coaut.
TI  - The validity and reliability of survey questions : a meta analysis of MTMM studies
KW  - ESTADISTICA
KW  - EVALUACION
KW  - INVESTIGACION
KW  - META ANALISIS
KW  - VALIDEZ
ER  -