数据可视化和智能文本分析,以有效评估英语语言教学
1Faculty of Education, Universiti Malaya, 50603, Kuala Lumpur, Kuala Lumpur, Malaysia.
Scientific reports
|July 2, 2025
概括
本研究介绍了使用数据可视化和智能文本分析的高级英语教学评估系统. 新方法提供了个性化,准确的教学决策,优于传统的主观评估.
科学领域:
- 教育技术的教育技术
- 自然语言处理自然语言处理.
- 数据科学数据科学数据科学
背景情况:
- 传统的英语语言教学评估通常依赖于主观教师的判断,缺乏实时监测.
- 这些局限性阻碍了个性化的学习和对学生进步的准确评估.
研究的目的:
- 开发一种创新的英语教学效率评估系统.
- 整合数据可视化和智能文本分析,以实现客观和个性化的教育评估.
主要方法:
- 利用数据可视化将学生的学习数据转换为直观的图表.
- 采用智能文本分析,包括双向编码器从变压器 (BERT) 来进行情感分析,潜在的迪里克莱特分配 (LDA) 来进行主题建模,以及Word2Vec用于语义分析.
- 应用集体学习方法,如包装,XGBoost和堆叠,用于模型优化.
主要成果:
- 堆叠组合模型在训练组中实现了95.0%的高准确率,在测试组中达到94.3%.
- 一个优化的模型结合了BERT,长短期记忆 (LSTM),卷积神经网络 (CNN) 和自我注意机制,在分析学生情绪和教学内容方面表现出了显著的优势.
- 拟议的系统显著提高了单一模型的性能.
结论:
- 开发的系统提供了一种新的教育评估方法,超越了主观的传统方法.
- 它为实现个性化和准确的英语语言教学和评估提供了一个强大的工具.
- 集成先进的人工智能和数据可视化增强了教育监测的客观性和有效性.
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