Wordbank: A CDI data aggregation project

[Michael C Frank]

Dear Colleagues, 

On behalf of the MacArthur-Bates CDI Board, I'm pleased to tell you about a new data-aggregation and data-sharing project that we call Wordbank. Wordbank is a free and open database containing the full, item-level responses for MacArthur-Bates Communicative Development Inventory (CDI), a parent-report instrument for measuring children's early vocabulary. The Wordbank site already exists, although its current functionality is extremely limited. Please feel free to explore! We hope that by pooling detailed word-learning data across labs, we can create a database of unprecedented size that will lead to new insights about the shape of vocabulary development in early childhood. 
 
I am writing to ask whether you would consider contributing your CDI form data to Wordbank. We will help you upload these data or even (funding permitting) help arrange and pay for you to ship your paper survey forms to us. More information is available in the attached (IRB-approved) letter. 

If you use CDI forms and would consider contributing data to this resource, please help us by filling out a very short form for potential contributors. Data from this form will be very useful in securing the funding necessary to expand Wordbank. In addition, if you know of others who might consider contributing but are not on these lists, I would be very grateful if you forwarded this message.

Thank you very much,

Michael C. Frank
Associate Professor
Department of Psychology
Stanford University
450 Serra Mall (Room 420-278)
Stanford, CA 94305
lab: langcog.stanford.edu
blog: babieslearninglanguage.blogspot.com
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