Repetitions in child production

[Brian MacWhinney]

Dear Diane,
    As noted by Natasha Rakhlin, repetitions are typically excluded from MLU.  This is done automatically and by default in the CLAN MLU program, using the marking of repetitions with the <text> [/] and <text> [//] symbols.  There is also a program called REPEAT that can add these marks if they are not present, but it is safer to do this carefully when transcribing. 

-- Brian MacWhinney


On Jun 5, 2014, at 6:04 PM, Diane Lillo-Martin <diane.lillomartin at gmail.com> wrote:

> Dear all,
> I would be very interested in knowing how you treat self-repetitions for various types of analyses, especially MLU.
> 
> In particular, I'm thinking of both single word and phrase repetitions, such as a sequence of repeating the word 'ball' while playing with the ball; or repetitions of phrases such as 'want cookie', either immediate or with some intervening talk.
> 
> I know that immediate repetitions are generally not counted according to the criteria established by Brown. I believe that they would be included in the CLAN calculation of MLU unless they are specifically tagged and the command is set to exclude them.
> 
> If you work with MLU or other measures for which it is relevant, how do you treat such repetitions?
> 
> Many thanks in advance,
> Diane
> 
> ----------
> Diane Lillo-Martin
> University of Connecticut
> 
> 
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