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. Author manuscript; available in PMC: 2017 Dec 1.
Published in final edited form as: J Exp Child Psychol. 2016 Sep 2;152:278–293. doi: 10.1016/j.jecp.2016.07.011

Figure 2.

Figure 2

Progression of the dependent measure over the course of training on the approximate-arithmetic group (A) and the picture-memory game (B). A Game represents one set of 40 trials in the approximate-arithmetic game, and the corresponding log-difference values indicate the log2-difference value at the end of each Game. A Game in the picture-memory game represents one round of n-by-n card game. Error bars represent the standard error of the mean.