本研究以分數的乘法為例,利用學生試題結構分析的子技能上下位關係加入貝氏網路做為診斷測驗推論的模式,又以學生試題結構為適性測驗的選題策略,另以電腦多媒體元件設計補救教學動畫,依此比較適性及非適性的診斷測驗及適性化補救教學的成效,期望能有效的診斷學生在學習上的錯誤概念,透過系統節省測驗的時間,並給予學生適性化、個人化的補救教學,也希望能同時達到評量、診斷、補救的功能。 研究結果發現: 一、 比較後顯示,順序理論之閾值為0.045 時所得之架構加入貝氏網路推論可以得到最高的辨識率。 二、 以學生試題結構加入貝氏網路為推論工具可以獲得最高的辨識效果,有效地診斷學生的錯誤類型發生和子技能通過的有無。 三、 補救教學系統實施後,學生的平均成績、子技能的平均通過率有顯著進步,錯誤類型的平均發生率亦有降低。 四、 經由比較,適性的診斷測驗除了可以節省試題,在預測精準度和全測的推論具有一致性。
This research aims to investigate the effectiveness of different model of inference, with Bayesian Network Theory, in the sub-skills of item structure analysis, using multiplication of fraction as an example. It also compares the effects of adaptive vs. non-adaptive diagnostic tests and adaptive remedial teaching, using students’ item structure as the strategy for the adaptive diagnostic test and computer multimedia animation as the design for the adaptive remedial teaching. Through this system, it is expected that wrong concepts in the process of students’ learning can be diagnosed more effectively, giving students adaptive and individual remedial teaching, and at the same time, achieving the functions of tests, diagnosis and remedial teaching. The results of this research include: 1. With the inference of Bayesian Network Theory, the structure obtained from ordering Theory when the threshold value is 0.045 can achieve the highest differentiability. when the threshold value in Ordering Theory is 0.045 can achieve the highest differentiability. 2. Students’ item structure with Bayesian Network Theory, as the mode of inference, obtains the highest effectiveness in diagnosing students’ error types and sub-skills pass rate. 3. After the implementation of remedial teaching, students’ average grades and the average sub-skills pass rate are increased significantly. The percentage of the average occurrences of error types is also decreased. 4. The adaptive test saves the use the test items, and in comparison with the full answers in Bayesian Network Theory, the likelihood is over 90% Besides saving the test items, the adaptive diagnostic is also consistent with both the degree of accuracy in anticipation and inference in non-adaptive.