Effects of activity breakpoints on mobile crowdsourcing task performance. - Chia-En Chiang; Yung-Ju Chang; Felicia Feng (UbiComp/ISWC Adjunct, 2020)

"I Got Some Free Time": Investigating Task-execution and Task-effort Metrics in Mobile Crowdsourcing Tasks. - Chia-En Chiang; Yu-Chun Chen; Fang-Yu Lin; Felicia Feng; Hao-An Wu; Hao-Ping Lee; Chang-Hsuan Yang; Yung-Ju Chang (CHI, 2021)