期刊论文

中文

心理科学进展

1671-3710

2017

25

1

12-28

10.3724/SP.J.1042.2017.00012

国家自然科学基金青年项目（31300864） 中央高校基本科研业务费项目（CCNU16A02023）资助

本校为第一机构

教学代理(Pedagogical Agent)是指为了促进学习者的学习而在计算机屏幕上呈现的人物形象,主要包括内部特征和外部特征。对相关理论进行梳理发现,教学代理能否促进学习存在争论:拟人效应、社会存在感理论和社会代理理论认为在多媒体环境中加入教学代理能促进学习,干扰理论则认为教学代理会阻碍学习。综述以往的实证研究发现,教学代理特征(代理类型、语词讲解、声音类型、手势有无)、学习环境特征(学科性质、呈现步调)以及学习者特征(先前知识经验、被试群体)可能会影响教学代理的效果。通过元分析发现,对于不同的测量指标,教学代理的有效性不同:教学代理能显著提高保持测验(g = 0.19)、迁移测验(...

Pedagogical agents are lifelike characters presented on a computer screen that facilitate learners' performances.Pedagogical agents in the multimedia learning are important in computer-assisted learning and instructional design. First, we reviewed the definition of pedagogical agent, and introduced theories related with pedagogical agent. It was found that the effects of pedagogical agent on multimedia learning were debatable. Second, based on the empirical studies, a meta-analysis was conducted to examine the positive and negative effects of pedagogical agent on learning. Results of meta-anal...