| Summary: | 博士 === 國立政治大學 === 教育學系 === 90 === This research is to develop an integrated internet system of on-line item bank and computerized adaptive testing (the “System”), which is comprised of the teaching tool development, theory verification, and efficiency evaluation. Except for the addition of new item bank dynamically, the System, an auxiliary teaching evaluation system for teachers, can also provide customarily made adaptive testing for students. Therefore, to develop an integrated on-line item bank and computerized adaptive testing system and to verify the theory of on-line item bank development constitute the two core spindles of this research.
Following the aforementioned research spindles, the main purposes of this research are going to: (A). Develop an integrated on-line item bank and computerized adaptive testing system. (B). Verify the related theories concerning the development of on-line item bank. (C). Evaluate the operating efficiency of such System and the degree of users’ satisfaction.
The “systems development life cycle” (Sehlly, Cashmen Rosenblatt, 2001), a structured analysis method, is adopted to conduct the research. The development process of an integrated on-line item bank and computerized adaptive testing system is divided into 5 separate and successive stages, starting from system planning, system analysis, system design, system development, to system operation and support.
In terms of research sampling, the selected samples in the first preliminary testing are 115 ninth-grade students of Chiung-Ming High School in Tainan City, Taiwan. The selected samples in the second preliminary testing are 191 ninth-grade students of Cheng-Sing High School in Tainan City, Taiwan. The third and official sampling is 2,567 ninth-grade students who were selected from a total of 9 high schools ranging from Northern, Central, Southern, and Eastern Taiwan, and islands adjacent to Taiwan. Furthermore, in the demand side, an investigation has been conducted to consult with 15 teaching experts for their professional opinions in regard to such System development.
As far as research tools are concerned, except for the main research tool — the integrated on-line item bank and computerized adaptive testing system, other research tools employed consist of functional demand questionnaires, hardware equipments, software tools, and scales for system evaluation.
In the aspect of data processing, ITEMAN, BILOG, MatLab, and SPSS application softwares are used to perform the data processing. The statistical method, like classical true score theory and item response theory and etc., is applied to conduct the following analyses: item analysis, IRT three-parameter estimate, structured analysis of elements, and etc.
The results of this research lead to the following conclusion:
1. The on-line item bank system and the adaptive testing system, the two separate systems, can be integrated into one system.
2. The integrated on-line item bank and adaptive testing system can play multiple functions.
3. “Systems development life cycle” in the structured analysis is an ideal manner to develop an integrated system.
4. “Mean/Mean”, “Haebara” and, etc. are the better methods to perform the item bank equating and constant conversion.
5. For users, the information volume provided by on-line testing and traditional written testing are quite similar, but the degree of difficulty of on-line testing is higher than that of traditional written testing.
6. The linking effect of on-line testing is fair.
7. The operating efficiency of the integrated system is fair.
8. Users are satisfied with the functions of the integrated system.
Based on research conclusions drawn thereon, suggestions for tool development, item bank development, and efficiency evaluation are also provided.
Keywords:item response theory, item bank, equating, computerized adaptive testing, systems development life cycle
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