“…These four general categories are: (1) task/contest-specific factors (reward, task type, task complexity, and contest duration for task, etc.) [25]- [32]; (2) individualspecific factors (extrinsic motivations, intrinsic motivations, individuals' strategy, and individuals' experience) [25], [28], [29], [33], [34]; (3) environment-specific factors (competitors' rating, number of competitors, number of super-star competitors, number of non-super-star competitors, collaboration, and communication) [21], [24], [35], [36]; and (4) organization-specific factors (brandstrength and marketplace maturity) [37]. The effect of these factors have been investigated on different elements including individuals' motivation to join a platform, individuals' sustained participation, and individuals' high quality solutions and their performance [38].…”