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Validity and reliability of an e-portfolio indicators instrument for Malaysian Skills Certification (MSC)

Masran, S. H. and Rahim, M. B. and Y., Faizal A. N. and Marian, M. F. (2017) Validity and reliability of an e-portfolio indicators instrument for Malaysian Skills Certification (MSC). Pertanika Journal of Social Science and Humanities , 25 (S). pp. 47-56. ISSN 01287702

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The development of the E-portfolio system requires indicators or characteristics that are appropriate for meeting the needs of the education system. This pioneering study is to validate and check the reliability of E-portfolio indicators for Malaysian Skills Certification (MSC). The instrument comprised 72 items and was circulated to 40 MSC educators at the Industrial Training Institute (ILP) Kuala Lumpur. This instrument was developed to measure four main constructs, namely i) records of prior attainment, ii) the virtual learning space, iii) competency assessment, and iv) the operating system. The Rasch Model approach was used to check the instrument’s validity and reliability. The Rasch Model was used because it can measure respondent and item reliability and it yields data that are more reliable than data collected using only Cronbach’s Alpha. The Winsteps Version software was used for the inspection of the items’ function from the aspects of reliability and seclusion in terms of item-respondents, polarity and item suitability to measure the constructs and the standardised residual correlation. In the final analysis, 18 indicators were removed as they did not suit the inspection criteria, while 54 corresponding indicators were used to measure the four constructs of the MSC E-portfolio system.

Item Type: Article
Uncontrolled Keywords: Construct reliability; e-portfolio; item polarity; item suitability; Malaysian Skills Certification (MSC); Rasch Model; standardised residual correlation
Subjects: L Education > LC Special aspects of education
Divisions: Faculty of Technical and Vocational Education > Department of Engineering Education
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 31 Mar 2019 07:37
Last Modified: 31 Mar 2019 07:37
URI: http://eprints.uthm.edu.my/id/eprint/10892
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