Supplemental Material for

A Longitudinal Analysis of Estimation, Counting Skills, and Mathematical Ability Across the First School Year

Kevin Muldoon, John Towse, Victoria Simms, Oliver Perra, and Victoria Menzies

Developmental Psychology, Vol. 49, No. 2, pp. 250–257.

View article:


This content was submitted by the author as supplemental material for an article published in APA’s PsycARTICLES. The content is presented as the author submitted it. APA assumes no liability for errors or omissions and makes no warranties of any kind. APA assumes no responsibility for any reader’s use of the materials. All questions regarding the supplemental data should be directed to the corresponding author of the published article.

The reader is expected to respect the intellectual property of the author and the copyright of the American Psychological Association (APA). The content should not be reused without permission from the author and APA.