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Scaffolding Crowd Work: An Empirical Analysis of its Effects on Quality of Work
Linköping University, Department of Management and Engineering. Karlsruhe Institure of Technology. (Industrial Economics)
2017 (English)Independent thesis Advanced level (degree of Master (Two Years)), 40 credits / 60 HE creditsStudent thesis
Abstract [en]

Workers’ level of skill on online labor platforms varies greatly. To manage quality, requesters often decompose complex jobs into simple, repetitive, micro-tasks that pay in average $0.10 per task. Within the current system, workers waste a significant amount of time on finding micro-tasks while requesters still criticize the performance, struggle with decomposing complex work into micro-tasks, allocating these tasks appropriately and reintegrating the outcome to a final result. This paper explores how we can apply scaffolding approaches — examples, rubrics, task rationale, and step-by-step instructions — to improve work quality and enable workers to perform more complex tasks. In a between-subjects study, novice workers from a micro-task market performed tasks (writing product reviews and designing a slide deck) selected from a professional contractor market. Participants received either the original or a scaffolded task description. Blind-to-condition experts judged the performance of submissions. We found that scaffolding the crowd led workers to perform significantly better than workers without scaffolding. Moreover, a follow-up analysis shows that scaffolding micro-task workers results in work that is on par with workers from the high-pay contractor platform. Concluding, it is being discussed if, how and by who scaffolding in a crowdsourcing environment can and should be implemented. 

Place, publisher, year, edition, pages
2017. , p. 77
National Category
Economics and Business
Identifiers
URN: urn:nbn:se:liu:diva-143419ISRN: LIU-IEI-TEK-A--17/02974--SEOAI: oai:DiVA.org:liu-143419DiVA, id: diva2:1163190
Subject / course
Industrial Management
Presentation
2017-11-21, Online, 12:20 (English)
Supervisors
Examiners
Available from: 2018-02-22 Created: 2017-12-06 Last updated: 2018-02-22Bibliographically approved

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CiteExportLink to record
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  • apa
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