Published on in Vol 25 (2023)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/46421, first published .
Effects of Excluding Those Who Report Having “Syndomitis” or “Chekalism” on Data Quality: Longitudinal Health Survey of a Sample From Amazon’s Mechanical Turk

Effects of Excluding Those Who Report Having “Syndomitis” or “Chekalism” on Data Quality: Longitudinal Health Survey of a Sample From Amazon’s Mechanical Turk

Effects of Excluding Those Who Report Having “Syndomitis” or “Chekalism” on Data Quality: Longitudinal Health Survey of a Sample From Amazon’s Mechanical Turk

Ron D Hays   1 , PhD ;   Nabeel Qureshi   2 , MPH, MPhil ;   Patricia M Herman   2 , ND, PhD ;   Anthony Rodriguez   3 , PhD ;   Arie Kapteyn   4 , PhD ;   Maria Orlando Edelen   5 , PhD

1 Division of General Internal Medicine and Health Services Research, Department of Medicine, University of California, Los Angeles, CA, United States

2 Behavioral and Policy Sciences, RAND Corporation, Santa Monica, CA, United States

3 Behavioral and Policy Sciences, RAND Corporation, Boston, MA, United States

4 Center for Economic and Social Research, University of Southern California, Los Angeles, CA, United States

5 Patient Reported Outcomes, Value and Experience (PROVE) Center, Department of Surgery, Brigham and Women’s Hospital, Boston, MA, United States

Corresponding Author:

  • Ron D Hays, PhD
  • Division of General Internal Medicine and Health Services Research
  • Department of Medicine
  • University of California
  • 1100 Glendon Avenue Suite 800
  • Los Angeles, CA, 90024
  • United States
  • Phone: 1 310-794-2294
  • Fax: 1 310-794-0732
  • Email: drhays@ucla.edu