| Summary: | 碩士 === 國立交通大學 === 理學院碩士在職專班網路學習學程 === 96 === The purpose of this study was to make a two-tier diagnostic tool for assessing students’ the concepts of computer viruses and its’ result. The participants in this research are 605 5th graders selected from four elementary schools in
Chupei city, Shinchu County, Taiwan, R. O. C.
In order to develop the diagnostic assessment, the literatures were gathered and analyzed. Then, an open-ended interview was used to investigate students’ concept of computer viruses. Finally, a “Two-Tier Diagnostic assessment for Computer Viruses”
(TTDTCV) was developed after analyzing and categorizing the data from interview.
The item difficulty index and the item discrimination index was 0.55 and 0.38 respectively. According to the result, it shows that the most fifth graders in Chupei City have misconception in the following five dimensions：Attributes of computer viruses, Spread of computer viruses, Damages caused by computer viruses, Prevention against computer viruses and Legal issue related to computer viruses. The results of this study could provide some helpful information to the student to know how to learn the concept of computer viruses and help the teachers who teaching IT courses in the elementary school to enhance their future instruction of computer viruses and IT security.
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