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Chang, Chi-Cheng; Liang, Chaoyun; Chen, Yi-Hui – Computers & Education, 2013
This study explored the reliability and validity of Web-based portfolio self-assessment. Participants were 72 senior high school students enrolled in a computer application course. The students created learning portfolios, viewed peers' work, and performed self-assessment on the Web-based portfolio assessment system. The results indicated: 1)…
Descriptors: Computer Oriented Programs, High School Students, Portfolio Assessment, Internet
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Chang, Chi-Cheng; Wu, Bing-Hong – Educational Technology & Society, 2012
This study explored the reliability and validity of teacher assessment under a Web-based portfolio assessment environment (or Web-based teacher portfolio assessment). Participants were 72 eleventh graders taking the "Computer Application" course. The students perform portfolio creation, inspection, self- and peer-assessment using the Web-based…
Descriptors: Computer Oriented Programs, Validity, Portfolio Assessment, Internet
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Chang, Chi-Cheng; Tseng, Kuo-Hung; Lou, Shi-Jer – Computers & Education, 2012
This study explored the consistency and difference of teacher-, student self- and peer-assessment in the context of Web-based portfolio assessment. Participants were 72 senior high school students enrolled in a computer application course. Through the assessment system, the students performed portfolio creation, inspection, self- and…
Descriptors: Portfolios (Background Materials), Portfolio Assessment, Computer Oriented Programs, Comparative Analysis
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Chang, Chi-Cheng; Chen, Cheng-Chuan; Chen, Yi-Hui – Computers & Education, 2012
This research attempted to categorize reflection in a Web-based portfolio assessment using the Chinese Word Segmenting System (CWSS). Another aim of this research was to explore reflective performance in which individual differences were further examined. Participants were 45 eight-grade students from a junior high school taking a computer course.…
Descriptors: Junior High School Students, Grade 8, Computer Science Education, Reflection
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Tseng, Kuo-Hung; Chang, Chi-Cheng; Lou, Shi-Jer – Interactive Learning Environments, 2012
This study aims to explore how high school students collaboratively solve problems in a web problem-based learning (WPBL) system in an 8-week digital logic course using discourse analysis. Employing in-depth interviews, this study also investigated the students' attitudes toward the WPBL system. The number of teaching assistants' responses had a…
Descriptors: Foreign Countries, Web Based Instruction, Computer Assisted Instruction, Internet
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Chou, Pao-Nan; Chang, Chi-Cheng – Turkish Online Journal of Educational Technology - TOJET, 2011
This study examines the effects of reflection category and reflection quality on learning outcomes during Web-based portfolio assessment process. Experimental subjects consist of forty-five eight-grade students in a "Computer Application" course. Through the Web-based portfolio assessment system, these students write reflection, and join…
Descriptors: Portfolios (Background Materials), Portfolio Assessment, Computer Oriented Programs, Achievement Tests
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Chang, Chi-Cheng; Tseng, Kuo-Hung – Interactive Learning Environments, 2011
This study examines the effect of a Web-based portfolio assessment system on the performances of students undertaking project-based learning (PBL). The research targets were 60 students from two grade-8 classes taking senior high school computer courses. The experimental group comprised 30 students, who used the system to perform PBL and…
Descriptors: Portfolios (Background Materials), Experimental Groups, Control Groups, Student Projects
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Chang, Chi-Cheng; Tseng, Kuo-Hung; Chou, Pao-Nan; Chen, Yi-Hui – Computers & Education, 2011
This study examined the reliability and validity of Web-based portfolio peer assessment. Participants were 72 second-grade students from a senior high school taking a computer course. The results indicated that: 1) there was a lack of consistency across various student raters on a portfolio, or inter-rater reliability; 2) two-thirds of the raters…
Descriptors: Portfolios (Background Materials), Portfolio Assessment, Validity, Interrater Reliability