The design of instructional software should support the learners attempt to resolve the prohlem, should watch the attempt and make judge in order to provide specific and suggestive feedback and clew.

• 在教学软件的开发设计中，应为学习者尝试解决问题提供支持，并通过对尝试的监视，进行判断，以提供具有针对性的和启发性的反馈和提示；