A ToM meta analysis

In case it’s useful, an approximation of the formula plotted in Figure 2B of Wellman, Cross, and Watson (2001):

P(\mathit{correct}) = \mathit{logit}^{-1}(-3.52188 + .08004 \times \mathit{months})

ETA: already in the paper (p. 668): -3.96 + .09 \times \mathit{months}

Wellman, H. M., Cross, D., & Watson, J. (2001). Meta-Analysis of Theory-of-Mind Development: The Truth about False Belief.  Child Development, 72(3), 655–684

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