Submitted on: 07 June 2011.
Revised on: 30 August 2011.
Accepted on: 02 October 2011.
___________________EDUCATIONAL PSYCHOLOGY REVIEW---SPRINGER/PLENUM PUBLISHERS
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Submitted on: 29 October 1999.
Revised on: 11 December 1999.
Accepted on: 12 January 2000.
___________________EDUCATIONAL PSYCHOLOGY REVIEW---SPRINGER/PLENUM PUBLISHERS
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Submitted on: 30 March 2017.
Revised on: 30 April 2017.
Accepted on: 13 May 2017.
___________________EDUCATIONAL PSYCHOLOGY REVIEW---SPRINGER/PLENUM PUBLISHERS
Submitted on: 01 August 2011.
Revised on: 20 September 2011.
Accepted on: 08 October 2011.
___________________EDUCATIONAL PSYCHOLOGY REVIEW---SPRINGER/PLENUM PUBLISHERS
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Submitted on: 04 June 2015.
Revised on: 28 August 2015.
Accepted on: 23 October 2015.
___________________EDUCATIONAL PSYCHOLOGY REVIEW---SPRINGER/PLENUM PUBLISHERS
Submitted on: 12 December 2001.
Revised on: 25 February 2002.
Accepted on: 09 April 2002.
___________________EDUCATIONAL PSYCHOLOGY REVIEW---SPRINGER/PLENUM PUBLISHERS