BERTopic with contextual augmentation outperforms STM on topic coherence and interpretability for short survey responses, but STM better supports inferential covariate analysis.
This resulted in 18 model runs per condition and a total of 144 model runs across all conditions
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A Comparative Evaluation of Structural Topic Models and BERTopic for Short, Open-Ended Survey Responses
BERTopic with contextual augmentation outperforms STM on topic coherence and interpretability for short survey responses, but STM better supports inferential covariate analysis.