Quota Controls in Survey Research: A Test of Accuracy and Intersource Reliability in Online Samples
Steven H. Gittelman
Mktg, Inc.
Randall K. Thomas
GfK Custom Research
Paul J. Lavrakas
Independent Consultant
Victor Lange
Catalina Marketing
Editors' Note
In 2010, the Advertising Research Foundation (ARF) began a ground-breaking study “Foundations of Quality 2 (FoQ 2)” designed around several initiatives that investigated new questions about the quality of online samples. In addition, this research has examined how new sampling methodologies and technologies have evolved.
The latest FoQ 2 initiative in 2013 explored the effectiveness of quota controls in improving the quality of...