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Submitted on: 21 September 1999.
Revised on: 11 November 1999.
Accepted on: 13 December 1999.
___________________Assessment in Education-Principles Policy & Practice
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Submitted on: 16 November 2019.
Revised on: 11 December 2019.
Accepted on: 12 January 2020.
___________________Assessment in Education-Principles Policy & Practice
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Submitted on: 30 October 2016.
Revised on: 15 December 2016.
Accepted on: 08 February 2017.
___________________Assessment in Education-Principles Policy & Practice