A model for forming teams for the evaluation activity of the requirements phase, based on Belbin team roles: an exploratory study
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Abstract
This research examines the proposed model’s viability for forming software requirements validation teams, based on Belbin’s Role Theory. The study seeks to determine whether teams formed according to the model improve in evaluating requirement quality criteria compared to randomly
formed teams. A factorial experimental design was carried out with two treatments: Constructed Teams (EC, for its acronym in Spanish) and Random Teams (EA, for its acronym in Spanish), evaluating metrics such as Comprehensibility, Unambiguity, Feasibility, Internal Consistency, and Verifiability. The descriptive analysis revealed that EC teams tend to have more consistent ratings on Comprehensibility and less variability
on other criteria. In contrast, EA teams show a greater dispersion in their ratings, with higher averages on some criteria such as Consistency and Verifiability. The Mann-Whitney U test indicated that, in general, there are no statistically significant differences between the two types of teams, suggesting that the proposed model does not have a consistent impact on the quality of the requirements evaluated. This study provides a basis for future research on the effectiveness of the model in varied contexts.
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