期刊论文

Yang, J.

英文

Journal of Computer Assisted Learning

0266-4909

2017

33

4

347-354

10.1111/jcal.12183

This study was financially supported by self-determined research funds of Central China Normal University from the colleges' basic research and operation of MOE (CCNU15Z02004) and an excellent doctorial dissertation cultivation grant from Central China Normal University (2016YBZZ123). We express our appreciation to the instructor Ms Lei Huang and Dr Xianfeng Ding for his helpful comments on statistical analysis of the study.

本校为第一且通讯机构

One of the most commonly used forms of video lectures is a combination of an instructor's image and accompanying lecture slides as a picture-in-picture. As the image size of the instructor varies significantly across video lectures, and so do the learning outcomes associated with this technology, the influence of the instructor's image size should be evaluated. This study tested the effect of image size of the instructor on learners' experience of social presence, cognitive load, learning performance and satisfaction. In the study, 87 Chinese undergraduates were randomly assigned to view a vid...