Competing Tasks and Task Quality: An Empirical Study of Crowdsourcing Contests

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SKU
45.4.10

Publication History

Received: September 14, 2016
Revised: November 17, 2017; June 6, 2019; May 24, 2020
Accepted: November 12, 2020
Published online: November 17, 2021

https://doi.org/10.25300/MISQ/2021/14639

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Abstract

An outcome of the rising popularity of crowdsourcing contest platforms has been an increase in the number of tasks available on a platform at the same time. These concurrent tasks compete for the attention of the same pool of solvers. There is some evidence that an increase in the number of competing tasks can reduce the number of solvers participating in a focal task. However, it is not clear exactly how competing tasks influence the quality of tasks, as represented by the best solutions they receive. Using data collected from a popular crowdsourcing platform we investigate the effects of competing tasks and uncover important underlying mechanisms governing the relationship between competing tasks and task quality. Through analyses at the task, solver, and submission levels, we establish that competing tasks can influence task quality in two ways. First, the number of solvers in each task decreases when there are more competing tasks, and this reduction negatively impacts task quality. Second, the availability of a greater number of competing tasks leads to solvers participating in more tasks simultaneously. This multitasking in turn allows solvers to learn from other tasks, generate better solutions, and improve task quality. Interestingly, we find that these opposing forces offset each other, and that the overall solution quality of the focal task is not affected despite the fact that an increase in the number of competing tasks reduces the number of solvers participating in it.

Published Online: November 17, 2021

Additional Details
Author Jiahui Mo, Sumit Sarkar, and Syam Menon
Year 2021
Volume 45
Issue 4
Keywords Multitasking, learning effects, parallel effects, incentive effects, switching, task variety
Page Numbers 1921-1948; DOI: 10.25300/MISQ/2021/14639
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