对比AI合成视频与传统学习材料，发现效果相当但人们更爱看视频。
Adult learners recall and recognition performance and affective feedback when learning from an AI-generated synthetic video
- 设计四类学习材料对比：文本、真人视频、带文本的AI视频等。
- 五百分组实验显示各组记忆与识别表现无显著差异。
- 虽效果相似，但成人更偏好视频形式学习。
生成式AI的广泛应用使得其在文本和媒体内容生成方面具备提升学习效果的潜力。然而，目前针对学习成效及情感反馈方面，基于生成式媒体与传统媒体（如文档文本、真人录制视频）的对比研究仍有限。本研究招募500名成人学习者，采用前后测混合方法，考察不同学习材料下的记忆与识别表现，以及情感反馈。四种学习条件包括：由人工智能生成框架的人类讲师文本、由人工智能生成的合成视频搭配人类讲师文本、人类讲师录制的视频，以及作为基线的人类讲师文本。结果显示，各组在记忆与识别表现上无统计学显著差异；视频组之间的情感反馈也无显著差别。然而，成人学习者普遍更倾向于通过视频而非文本进行学习。
原文摘要 · Abstract (English)
The widespread use of generative AI has led to multiple applications of AI-generated text and media to potentially enhance learning outcomes. However, there are a limited number of well-designed experimental studies investigating the impact of learning gains and affective feedback from AI-generated media compared to traditional media (e.g., text from documents and human recordings of video). The current study recruited 500 participants to investigate adult learners recall and recognition performances as well as their affective feedback on the AI-generated synthetic video, using a mixed-methods approach with a pre-and post-test design. Specifically, four learning conditions, AI-generated framing of human instructor-generated text, AI-generated synthetic videos with human instructor-generated text, human instructor-generated videos, and human instructor-generated text frame (baseline), were considered. The results indicated no statistically significant difference amongst conditions on recall and recognition performance. In addition, the participants affective feedback was not statistically significantly different between the two video conditions. However, adult learners preferred to learn from the video formats rather than text materials.
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