國立臺灣師範大學科技應用與人力資源發展學系Chang, C.-C2014-10-302014-10-302008-06-30188-009-465-7http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/35409This study investigated how implementing a Web portfolio assessment system influences learning effects, including achievement and self-perceived learning performance. The experimental group used the Web portfolio assessment system, whereas the control group uses conventional assessment. Study subjects were junior high school students in two computer classes. The experimental results were as follows. The Web portfolio assessment system had no significant influence on student achievement. Implementation of the Web portfolio assessment system significantly enhances self-perceived learning performance. The Web portfolio assessment system had different effects on work achievement and self-perceived work performance.AssessmentPortfoliosMiddle School EducationAchievementEducational Technology