Abstract: "How to raise instructional software's quality while raising its quantity" is one of the most important research topics in CAI. This article firs analysis some educational software development models at present, then proposes a hierarchical model for instructional software production. It gives the task lists of each level and the organization to make it come true.

Key words: computer-assisted instruction, software production model, software development model

摘要： 首先分析了目前存在的各种软件生产模式，结合教学软件多变性、个体性和群体性特点，提出了教学软件生产的层次模型，分析了各层次的主要工作，以及该模型实施的组织结构。教学软件生产的层次模型是为了解决“如何在提高教学软件数量的同时提高教学软件的质量”这一课题而提出的。

关键词: 计算机辅助教学, 软件生产模型, 软件开发模型