Chatbots have been around for years and have been used in many areas such as medicine or commerce. Our focus is on the development and current uses of chatbots in the field of education, where they can function as service assistants or as educational agents. In this research paper, we attempt to make a systematic review of the literature on educational chatbots that address various issues. From 485 sources, 80 studies on chatbots and their application in education were selected through a step‐by‐step procedure based on the guidelines of the PRISMA framework, using a set of predefined criteria. The results obtained demonstrate the existence of different types of educational chatbots currently in use that affect student learning or improve services in various areas. This paper also examines the type of technology used to unravel the learning outcome that can be obtained from each type of chatbots. Finally, our results identify instances where a chatbot can assist in learning under conditions similar to those of a human tutor, while exploring other possibilities and techniques for assessing the quality of chatbots. Our analysis details these findings and can provide a solid framework for research and development of chatbots for the educational field.

中文翻译：

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重新发现聊天机器人在教育中的使用：系统文献综述

聊天机器人已经存在多年，并已用于许多领域，例如医学或商业。我们的重点是聊天机器人在教育领域的开发和当前使用，它们可以充当服务助手或教育代理。在这篇研究论文中，我们试图对解决各种问题的教育聊天机器人的文献进行系统回顾。从 485 个来源中，根据 PRISMA 框架的指导方针，使用一组预定义的标准，通过逐步程序选择了 80 项关于聊天机器人及其在教育中的应用的研究。获得的结果表明，目前使用的不同类型的教育聊天机器人会影响学生的学习或改善各个领域的服务。本文还研究了用于揭示可以从每种类型的聊天机器人获得的学习结果的技术类型。最后，我们的结果确定了聊天机器人可以在类似于人类导师的条件下帮助学习的实例，同时探索其他可能性和技术来评估聊天机器人的质量。我们的分析详细介绍了这些发现，可以为教育领域聊天机器人的研究和开发提供一个坚实的框架。