Submitted on: 22 September 2002.
Revised on: 03 November 2002.
Accepted on: 24 November 2002.
___________________JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH
Submitted on: 30 May 1998.
Revised on: 14 July 1998.
Accepted on: 11 August 1998.
___________________JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH
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Submitted on: 22 January 2004.
Revised on: 02 April 2004.
Accepted on: 09 May 2004.
___________________JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH
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Submitted on: 27 July 2020.
Revised on: 29 August 2020.
Accepted on: 12 September 2020.
___________________JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH
Submitted on: 12 March 2009.
Revised on: 17 April 2009.
Accepted on: 15 June 2009.
___________________JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH
Submitted on: 21 June 2010.
Revised on: 08 August 2010.
Accepted on: 05 September 2010.
___________________JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH