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Episode 1307: David Purpura
Published 13 years, 6 months ago
Description
David Purpura from Purdue University discusses the article, "Informal numeracy skills: The structure and relations among numbering, relations, and arithmetic operations in preschool," from the American Educational Research Journal, Volume 50. (Co-author: Christopher Lonigan) link to article
See the comments for references mentioned in the interview.