comparison databases

[Brian MacWhinney]

Dear Info-CHILDES,
      
The KIDEVAL program is now working for both English and Spanish and the French version is nearly ready.  This program computes a series of 30 measures in one pass across collections of files and puts the results in a single EXCEL spreadsheet.  

For AphasiaBank, we have gone the next step and created a method called EVAL for comparing results from single participants or collections of participants to norms as provided by the AphasiaBank database (280 participants and 250 controls).  It would be nice to be able to do something similar for child language.  The question then becomes what comparison data sets to include.  There are several that are included in SALT and those could be interesting, if they are available.  Perhaps  some of the cross-sectional corpora in CHILDES, such as Weismer, Morisset, or NewEngland.  Or we could construct a comparison set based on some of the densely sampled longitudinal corpora.  Perhaps there are additional corpora not yet in CHILDES that would work for these purposes.  Ideally, individual files should include at least 100 useable child utterances to allow for correct automatic computation of DSS, IPSyn and VOCD, along with the various other measures.

Suggestions (and contributions) are very much invited.

-- Brian MacWhinney

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