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Showing: Philip Derham

Total: 4

Article Is there a list-order bias in online survey matrix questions? Philip Derham | August 1, 2018
Article By the Numbers: Are smartphone users less-engaged survey-takers? Philip Derham | June 1, 2016
Article By The Numbers: Increase survey response rates by increasing relevance Philip Derham | October 1, 2006
Article The impact of gender in e-mailed survey invitations Philip Derham | July 1, 2009