The Relationship Between Motivation, Monetary Compensation, and Data Quality Among US- and India-based Workers on Mechanical Turk
Litman, L., Robinson, J., & Rosenzweig, C. (2015). The relationship between motivation, monetary compensation, and data quality among US- and India-based workers on Mechanical Turk. Behavior Research Methods, 47(2), 519-528.
The original material can be found here: doi:10.3758/s13428-014-0483-x.