TY  - CHAP
TI  - Can the Binary Answer Format Improve Survey Efficiency Without Substantial Information Sacrifice?
AF  - School of Management and Marketing Research Seminar, University of Wollongong
PP  - Wollongong
PY  - 2004-05-01
AU  - Dolnicar, Sara 
AU  - Grün, Bettina 
AU  - Leisch, Friedrich 
ER -