An Empirical Study on the Empowerment of Educational Digitalization in Vocabulary Acquisition for High School Students—A Case Study of"English Audio-Visual-Speaking Teaching and Vocabulary Output Quality"
Digital technologies such as big data and artificial intelligence are reshaping the form of education,driving pro-found changes in school fields,and reconstructing traditional teaching and educational modes.To explore the impact of educa-tional digital resources on high school students'topic vocabulary acquisition,this study focuses on understanding the context of the themes of units and adopts a pre-test and post-test design for an experimental and a control class selected from the parallel classes in Grade Two of a high school.The experimental class adopts digital English teaching in English audio-visual-speaking.The results indicate that the experimental class significantly outperforms the control class in terms of morphological symbols and generic symbols,hierarchical coverage rate,high-frequency generic symbols and headwords,core vocabulary coverage rate,N-Gram multi-word units,and case analysis.Such findings demonstrate that educational digital resources can enhance high school students'topic vocabulary acquisition level,can highlight the unique value of educational digital resources in English audio-visual-speaking teaching,and can provide a reference for the researchers who want to carry out the study on educational digital transformation.
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