A Comparative Evaluation of Structural Topic Models and BERTopic for Short, Open-Ended Survey Responses

In three linesComparison of Structural Topic Models (STM) and BERTopic for analyzing short open-ended survey responses. BERTopic produces higher topic coherence, strengthened by contextual augmentation (strategy introduced to enrich very short responses). STM offers better support for inferential covariate analysis, BERTopic for interpretability.

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