What kind of quality control mechanisms do crowdsourcing sites have? A new study analyzes this. The big finding:
“Finally, while only half of the sites surveyed offer some form of quality control of work undertaken, only a very small number offers two or more such mechanisms.”
The study looked at five types of quality control mechanism:
And found that about 50% have qr1, 20% have qr2, 16% have qr3, 9% have qr4 and 17% have qr5.
Citation: Mourelatos, E., Tzagarakis, M., & Dimara, E. (2016). A Review of Online Crowdsourcing Platforms. South-Eastern Europe Journal of Economics, 14(1), 59-73.
Download available: http://www.asecu.gr/Seeje/issue26/issue26-mourelatos-tzagarakis-dimara.pdf