databases with sibling information?

[Brian MacWhinney]

Dear Jessica,

    Unfortunately, researchers often do not systematically address this issue.  For example, in the New England corpus, the children came into the lab, so information about siblings seemed less important .  However, the Hall corpus was done in the home and at school and there are siblings around and their ages are recorded.  For the smaller case studies, older child output is often available.  For example, in the MacWhinney corpus, Ross is nearly always talking with his younger brother Mark. The Ervin-Tripp data, which are still being put into CHAT have families with older siblings present.  And there are even some corpora, such as the Conti-Ramsden ones where data comes from both a child with SLI and the sibling, but in separate files.  If you work with a given transcript, often you will find that information encoded in the header line of the file itself.  Basically, there is some information on this, but it is not very systematic. 
   If your interest is basically in the role of older siblings, why not just go through to spot transcripts in which older siblings are present and work with those?
   Perhaps some other readers will have further suggestions.

-Brian MacWhinney

On Oct 1, 2012, at 11:22 PM, "J.Alexander" <dukeje at gmail.com> wrote:

> Hi all,
> 
> I'm currently mentoring an undergraduate student who is interested in the role of older siblings in early language development. I typically work with adults, so the CHILDES databases seemed like a potential way to help her get some experience working with child language data given limited time and resources. I'm new to using the CHILDES databases, so I may have overlooked this information, but is family/demographic information easily available for any of the children in the larger sample databases (such as the New England, Rollins, Davis, or HSLLD)?
> 
> Thanks for your help,
> Jessica Alexander
> 
> Assistant Professor of Psychology
> Concord University
> 
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