Crowd-based requirements elicitation via pull feedback: Method and case studies

Jelle Wouters, Abel Menkveld, Sjaak Brinkkemper, Fabiano Dalpiaz

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Crowd-based Requirements Engineering (CrowdRE) promotes the active involvement of a large number of stakeholders in RE activities. A prominent strand of CrowdRE research concerns the creation and use of online platforms for a crowd of stakeholders to formulate ideas, which serve as an additional input for requirements elicitation. Most of the reported case studies are of small size, and they analyze the size of the crowd, rather than the quality of the collected ideas. By means of an iterative design that includes three case studies conducted at two organizations, we present the CREUS method for crowd-based elicitation via user stories. Besides reporting the details of these case studies and quantitative results on the number of participants, ideas, votes, etc., a key contribution of this paper is a qualitative analysis of the elicited ideas. To analyze the quality of the user stories, we apply criteria from the Quality User Story framework, we calculate automated text readability metrics, and we check for the presence of vague words. We also study whether the user stories can be linked to software qualities, and the specificity of the ideas. Based on the results, we distill six key findings regarding CREUS and, more generally, for CrowdRE via pull feedback.
Original languageEnglish
Article number4
Pages (from-to)429-455
Number of pages27
JournalRequirements Engineering
Volume27
Issue number4
Early online date20 Aug 2022
DOIs
Publication statusPublished - Dec 2022

Keywords

  • CrowdRE
  • Elicitation
  • User stories
  • Case studies
  • Pull feedback

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