A Study on Collaborative Learning Environment Assisting Learning by Teaching Problem-Solving Strategies to a Computer Agent

我们试图构建一个协作学习环境中，学习者组，在协作和协助下的软件代理，制定出这样的计划，因为他们认为有用的解决有关问题，并教他们到另一个代理有不足的知识。在这个过程中，学习者需要洞察问题，构建知识，以解决问题。实现了一个协同学习平台，作为一个服务器进程，支持学习者通过网络进行协作和交流。作为服务器端的后端进程，实现了一个教学助手代理和一个伙伴代理。TA Agent拥有一个问题类型库，并为学习者提供解释，还为每种问题类型提供一个计划列表，以及如何使用基本知识单元。学习者群体通过客户端进程运行的HCI，由TA Agent提供建议和指导，协作工作，以提高学习效率。 关于我们 根据TA Agent提供的知识制定计划并提供给mate Agent，试图在与mate Agent的交互中解决问题。后者可以利用此后的计划来解决其他问题。为了支持不同问题解决方案的差异化用法的有效习得，我们研究了一个假设，即这种习得只有通过比较和对比不同的问题解决事件才能发生。为了验证电路理论领域中的假设，实现了一个系统，在该系统中，问题与解决方案的数据库是由计划和子计划索引，学习者可以检索问题解决的事件与共同/不同的计划，在电子工程课程的学生进行的实验表明，只有当它允许学习者观察的解决方案的多样性，习得发生。通过共同的计划窗口。少

We tried to construct a collaborative learning environment in which the learners group, in collaboration and assisted by a software agent, works out such plans as they think useful for solving the problems concerned and teaches them to another agent having insufficient knowledge. And in this process the learners are expected to get insight into the problems and construct their knowledge for problem-solving.A collaborative learning platform was implemented as a server process which supports learners' collaborative works and communication via a network. And as the backend process of the server, a Teaching Assistant agent and a mate agent is being implemented. The TA agent is possessed of a repertoire of problem types with explanations to be provided to the learners and also a list of plans for each of the problem types and how to use basic knowledge units.The learners group, via HCI run by client processes, being provided with advices and guidances by the TA agent, collaborates to work o … More ut plans based on the TA agent-provided knowledge and supply them to the mate agent, try to solve the problems in interaction with the mate agent. And the latter can makes use of the plans thereafter for solving other problems. The process realizes the learning-by-teaching metaphor.In order to support efficient acquisition of differentiated usage of different problem-solving plans, we studied a hypothesis to the effect that such an acquisition only takes place by comparing and contrasting different problem-solving episodes. For verifying the hypothesis in the field of electrical circuit theory, a system was implemented in which the database of problems with solutions is indexed by plans and subplans and the learners can retrieve problem-solving episodes with common/different plans.The carried out experiment with students in an electronics engineering course revealed that acquisition takes place only when it is allowed for the learners to observe a multiplicity of solution-episodes through common windows of planning. Less