Multiple panel membership ‘doesn't affect quality’
In Research – June 10, 2009
By Robert Bain
Respondents who are members of multiple panels are not necessarily a threat to data quality, according to results of a new study by the Advertising Research Foundation (ARF).
Findings of the study into duplication and overlap of online panel members concluded that multiple membership only has an impact on data quality when members take part in the same survey more than once.