Submitted on: 07 July 2000.
Revised on: 07 September 2000.
Accepted on: 05 October 2000.
___________________JOURNAL OF INTELLECTUAL DISABILITY RESEARCH
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Submitted on: 09 September 2021.
Revised on: 20 October 2021.
Accepted on: 11 December 2021.
___________________JOURNAL OF INTELLECTUAL DISABILITY RESEARCH
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Submitted on: 30 August 2023.
Revised on: 27 November 2023.
Accepted on: 09 December 2023.
___________________JOURNAL OF INTELLECTUAL DISABILITY RESEARCH
Submitted on: 05 April 2018.
Revised on: 26 May 2018.
Accepted on: 06 July 2018.
___________________JOURNAL OF INTELLECTUAL DISABILITY RESEARCH
Submitted on: 08 February 2014.
Revised on: 26 March 2014.
Accepted on: 21 April 2014.
___________________JOURNAL OF INTELLECTUAL DISABILITY RESEARCH
Submitted on: 03 August 2006.
Revised on: 30 November 2006.
Accepted on: 24 December 2006.
___________________JOURNAL OF INTELLECTUAL DISABILITY RESEARCH