Saito, Susumu, Chun-Wei Chiang, Saiph Savage, Teppei Nakano, Tetsunori Kobayashi, and Jeffrey Bigham. 2019. “Predicting the Working Time of Microtasks Based on Workers’ Perception of Prediction Errors”. Human Computation 6 (1):192-219. https://doi.org/10.15346/hc.v6i1.110.