Benefits and challenges of multi-sourcing – understanding differences between sample sources
Olivier de GaudemarOTX, United States
PREFACE
Multi-sourcing, or using multiple sample providers to recruit respondents into a single survey, is becoming a necessity for large research agencies and panel companies alike.
Why is multi-sourcing a growing practice?
Are there differences from one sample source to another?
Can we guarantee data consistency across studies while using multiple sample vendors?
What are the challenges of multi-sourcing?
What are the conditions of successful multi-sourcing?
The paper discusses the results of a comparison study of nine US sample providers, and shows that,...