A newer version of this project is available. See below for other available versions.
Closing the Word Gap with Big Word Club: Evaluating the Impact of a Tech-Based Early Childhood Vocabulary Program
Principal Investigator(s): View help for Principal Investigator(s) Ariel Kalil, University of Chicago. Harris School of Public Policy; Susan Mayer, University of Chicago. Harris School of Public Policy; Philip Oreopoulos, University of Toronto
Version: View help for Version V1
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To view the citation for the overall project, see http://doi.org/10.3886/E117330V1.
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