A study introduces a novel method, the 2-Tuple Fuzzy Linguistic Delphi, to assess questionnaire validity for b-learning. The approach involves linguistic judgments by experts and iterative consensus-building processes. The research aims to enhance questionnaire validation in educational settings using innovative linguistic models.
Classic and Fuzzy Delphi methods are compared for content validity testing. The proposed 2-Tuple Fuzzy Linguistic Delphi extends these methods to address varying expertise levels among judges. An online tool is developed under GPL v3 license to visualize collective valuations and facilitate consensus-reaching in questionnaire modification.
Key aspects include the application of Computing with Words methodology, linguistic hierarchies, and multi-granular semantics in Decision Making problems. The study emphasizes the importance of expert opinions represented as 2-tuple linguistic values for comprehensive questionnaire validation.
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arxiv.org
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