Submitted on: 06 September 2002.
Revised on: 19 November 2002.
Accepted on: 11 December 2002.
___________________JOURNAL OF TESTING AND EVALUATION
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Submitted on: 13 July 2010.
Revised on: 08 November 2010.
Accepted on: 20 December 2010.
___________________JOURNAL OF TESTING AND EVALUATION
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http://reply.papertrans.cn/2/196/19539/19539-35.png
Submitted on: 30 December 2021.
Revised on: 18 April 2022.
Accepted on: 29 April 2022.
___________________JOURNAL OF TESTING AND EVALUATION