Changes to Gleason files

[William Snyder]

Dear Brian,

Is there any type of "log" where changes to the CHILDES transcripts are
documented?

If not, do you think it might be possible to begin one, and make it visible
to CHILDES users (somewhere on the website)? (I assume this situation
arises only rarely, so maybe it wouldn't take too much effort?)

With best wishes,

William


On Thu, Oct 31, 2013 at 4:09 PM, Brian MacWhinney <macw at cmu.edu> wrote:

> Dear Carla,
>      The problem here is that, in the good old days, CHAT allowed people
> to use the method of encoding grammatical morphemes directly onto the main
> line.  This method was originally introduced in SALT.  So, the word broke
> was actually coded on the main line as break-ed.  This was obviously a
> pretty terrible thing because it was never clear when something was a main
> line morphemicization vs. a real error.  We stopped using this practice and
> removed these codes from the transcripts in the early 1990s.  Once we built
> the MOR program, then we changed CHAT to no longer allow for this type of
> main-line coding.
>     Fortunately, for the Gleason data we later received all the audio.
>  So, your student could go back to check these out.  I am curious what they
> learn.
>
> —Brian MacWhinney
> On Oct 31, 2013, at 3:12 PM, carla hudson Kam <bcfoodandwine at gmail.com>
> wrote:
>
> I apologize if the answer to this is somewhere already, but I couldn't
> find anything relevant when I searched old messages.
>
> I've been using various data files in classes for several years, and a
> question came up about one of them today, that seem curious. It's about the
> Nanette file (the mother transcript specifically, but it could be true of
> other parts of Nanette, or other children in the Gleason files). The
> version of the file I have (downloaded several years ago) contains a lot of
> overregularized past tense verbs produced by the Mother. It's a version of
> the file with a %mmor tier but no %gra tier, which should give people an
> idea of how old it is. One of my students was trying to figure out why this
> might be the case, and went and looked at the file on the website (In this
> particular class I give them excerpts in an excel file) and found that the
> overregularizations weren't in the file. I double checked that it's not
> just an issue with the excel file I created, and it's not, they
> overregularizations are actually in the .cha file I have.
>
> My question is whether anyone knows when and how these changes were made
> to the files, and if there have been similar changes made to other files.
> Were the overregularizations in the original just transcription errors
> (although odd ones, since breaked and broke are very confusable)? If not,
> then the replacement correct forms are errors right?
>
> Thanks for any and all assistance with this.
> Carla Hudson Kam
>
> Carla L. Hudson Kam
> Associate Professor
> Canada Research Chair in Language Acquisition
> Department of Linguistics
> University of British Columbia
>
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