syntactic measures for a growth curve analysis

[Yuriko Oshima-Takane]

Hi Leonid and Brian,

 

Thank you for your great help!

We will try the command to see if MLU excluding one morpheme utterances
would work for

our growth curve analysis. If not, we will try DSS.

 

Yuriko

 

From: chibolts at googlegroups.com [mailto:chibolts at googlegroups.com] On Behalf
Of Leonid Spektor
Sent: Thursday, February 16, 2012 12:01 AM
To: Brian MacWhinney; chibolts
Subject: Re: syntactic measures for a growth curve analysis

 

Yuriko and Brian.

 

I just found an even simpler command to do the same thing:

 

kwal +x2w +d +f +t%mor *.cha

mlu *.kwal.cex

 

 


Leonid.

 

 

 

On Feb 15, 2012, at 22:11, Brian MacWhinney wrote:





Dear Yuriko,

     This is a recurring question for child language researchers.  The idea
of calculating

MLU based on the exclusion of all one-morpheme utterances is a nice one.  In
theory, I would have

thought that I could get KWAL to search for all utterances that contained a
space using a switch such

as +s"* *"  and then send that all to a new file or to MLU, but this doesn't
work.  Maybe Leonid knows how to 

get this to work.

  Another (probably more useful) approach is to use DSS to measure later
syntactic growth.

 

-- Brian

 

On Feb 15, 2012, at 4:39 PM, Yuriko Oshima-Takane wrote:





Hi  Brian and colleagues,

 

We would like to do a growth curve analysis on some syntactic measures

using the functional data analysis. MLU is not a good syntactic measure

for this analysis because it sometimes goes down like 1.56 -> 2.20 ->1.60
->2.15.

We are wondering if MLUs excluding one morpheme utterances could be

used for this analysis.  But we are not sure how to exclude all the one

morpheme utterances from the transcripts and calculate MLUs.  Could you

please let us know how to do that? Also if you know any other syntactic

measure which would be good for a growth curve analysis, please let us know.

Thanks.

 

Yuriko

 

 

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