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April 10, 2026Journal of Software Evolution and Process

Investigating the Effectiveness of COSMIC Method for Sizing Chatbots' Requirements: A Comparative Analysis

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Authors

RBRahma BechaASAsma SellamiNBNadia Bouassida

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Overview

Comparative analysis of COSMIC's impact on chatbot requirements evaluation, suggesting improvements.

Key Points

  • The paper aims to evaluate the effectiveness of the COSMIC method for sizing chatbot requirements and its applicability in standardized assessments.
  • Applied COSMIC - ISO 19761 to evaluate 41 chatbots from web and mobile stores.
  • Ranked chatbots based on functional size and functionality scores from a quality assessment questionnaire.
  • Analyzed relationships between functional sizes, user ratings, downloads, and visits.
  • 68.7% of chatbots exhibited similar rankings in functional size and functionality score.
  • No correlation found between functional size and average user ratings, mobile downloads, and web visits.
  • COSMIC FSM demonstrated effectiveness in assessing chatbot requirements at the application layer.

Cite This Study

Becha et al. (2026) studied this question.

synapsesocial.com/papers/69d894ec6c1944d70ce05e6chttps://doi.org/10.1002/smr.70110
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