Saito, Susumu, Chun-Wei Chiang, Saiph Savage, Teppei Nakano, Tetsunori Kobayashi, and Jeffrey Bigham. “Predicting the Working Time of Microtasks Based on Workers’ Perception of Prediction Errors”. Human Computation 6, no. 1 (December 31, 2019): 192-219. Accessed October 26, 2020. https://hcjournal.org/index.php/jhc/article/view/110.