TY  - BOOK
AU  - Willem E Saris; Gallhofer Irmtraud N
AU  - Willem E Saris; Gallhofer Irmtraud N
TI  - Design, evaluation, and analysis of questionnaires for survey research
SN  - 9781118634615 (pbk)
U1  - Y:f, P7;Q4 TB 
PY  - 2014///
CY  - New Jersey
PB  -  Wiley      
KW  -  Measurement errors
KW  -  Reliability
KW  - Response alternatives
ER  -