Hits 21-27 within 7 documents
sample (4) |
Stichprobe (4) |
survey research (7) |
Telefoninterview (7) |
telephone interview (7) |
Umfrageforschung (7) |
weighting (2) |
sample (4) |
Stichprobe (4) |
survey research (7) |
Telefoninterview (7) |
telephone interview (7) |
Umfrageforschung (7) |
weighting (2) |