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Preservice Teachers’ Stress and Speech Quality: A Virtual Reality and Natural Language Processing Approach

Fri, April 12, 3:05 to 4:35pm, Pennsylvania Convention Center, Floor: Level 200, Exhibit Hall B

Abstract

What can teachers’ speech reveal about their stress state and instructional quality? A fundamental feature of a speech is its lexical diversity (LD)— the range and variety of vocabulary. The present study utilized an audio-recording-capable VR classroom together with natural language processing (NLP) to evaluate the relationships between preservice teachers' stress reactions and the LD of their speech (Study 1); we replicated the analysis with a different sample from the same population and examined the associations between LD and instructional quality (Study 2). We found that participants’ self-reported stress reactions were negatively associated with the LD of their speech; and LD metrics were positively associated with an instructional quality dimension (emotional support ) measured through Secondary CLASS (Pianta et al., 2012).

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