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诊断分类模型是以分类为目的模型的总称。它可以充分利用考分直接反映学生的能力状况,符合教育领域以有效的考题信息来辅助教学的趋势。本文撇除数学公式,以简单的语言总结该类模型的要素、种类和常见参数,通过Eunice Jang的研究,展示诊断分类模型在语言测试和教学领域的具体运用。研究结果表明,诊断分类模型可以为教学提供有益的反馈,但实际使用价值还取决于教师对模型和结果的认可。本文对诊断分类模型的前景也提出了一些意见和建议。
Diagnostic classification model is a general term for the purpose of classification. It can take full advantage of test scores directly reflect the ability of students, in line with education in the field of effective test information to assist teaching trends. This paper, excluding mathematical formulas, summarizes the elements, types and common parameters of such models in a simple language and presents the application of diagnostic classification models in language testing and teaching through Eunice Jang’s research. The results show that the diagnostic classification model can provide useful feedback for teaching, but the practical value depends on teachers’ recognition of the model and result. This paper also put forward some opinions and suggestions on the prospect of diagnostic classification model.