Reliability and validity of Web-based portfolio peer assessment: A case study for a senior high school's students taking computer course

Chi-Cheng Chang, Kuo Hung Tseng, Pao Nan Chou, Yi Hui Chen

研究成果: 雜誌貢獻期刊論文同行評審

54 引文 斯高帕斯(Scopus)

摘要

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 demonstrated inconsistency assessing different portfolios, i.e. inner-rater reliability; 3) peer-assessment scores were not consistent with teacher-assessment scores (criterion-related validity); 4) significant differences were found between peer-assessment scores and end-of-course examination scores, implying that Web-based portfolio peer assessment failed to reflect learning achievements (criterion-related validity). In short, Web-based portfolio peer assessment was not a reliable and valid method.

原文英語
頁(從 - 到)1306-1316
頁數11
期刊Computers and Education
57
發行號1
DOIs
出版狀態已發佈 - 2011 八月

ASJC Scopus subject areas

  • 電腦科學(全部)
  • 教育

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