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This research tests the role of visual perspective taking (VPT) in mediating the relation between spatial ability and theory of mind (ToM). Study 1 demonstrated such mediation correlationally in seventy 3.5‐ to 4‐year olds. In Study 2, twenty‐three 3.5‐ to 4‐year‐olds were trained on using play blocks to copy preassembled models as a way to promote spatial ability. Resultant increases in VPT and ToM were compared to those from a control group learning to draw instead (n = 23). Both studies showed that the effect of spatial ability on ToM depended on VPT, suggesting a role of embodiment in ToM development in early childhood. These findings provide an alternative way to think about ToM development and the psychological mechanism that may be involved.

Children’s block building performances are used as indicators of other abilities in multiple domains. In the current study, we examined individual differences, types of model and social settings as influences on children’s block building performance. Chinese preschoolers (N = 180) participated in a block building activity in a natural setting, and performance was assessed with multiple measures in order to identify a range of specific skills. Using scores generated across these measures, three dependent variables were analyzed: block building skills, structural balance and structural features. An overall MANOVA showed that there were significant main effects of gender and grade level across most measures. Types of model showed no significant effect in children’s block building. There was a significant main effect of social settings on structural features, with the best performance in the 5-member group, followed by individual and then the 10-member block building. These findings suggest that boys performed better than girls in block building activity. Block building performance increased significantly from 1st to 2nd year of preschool, but not from second to third. The preschoolers created more representational constructions when presented with a model made of wooden rather than with a picture. There was partial evidence that children performed better when working with peers in a small group than when working alone or working in a large group. It is suggested that future study should examine other modalities rather than the visual one, diversify the samples and adopt a longitudinal investigation.

Children’s block building has long been a focus of psychological research, in part because block building skills are thought to be useful indicators of other abilities such as representational thinking. Block building skills are assumed to progress through developmental stages and a number of measures have been developed to assess these skills. In this article, we critically review the literature on two topics related to children’s block building. First, we examine the literature on developmental changes in block play with a focus on the approximate age trends for various block construction abilities. Second, we provide an overview of the scales used to assess block construction complexity such as the Block Building Measure, Building Performance Coding, and Block Structure Complexity Scoring Instrument and propose a conceptual model of the skills involved in block building. Based on this review, we recommend ways to refine existing research methods, improve scale validity, and combine different indices to establish a more comprehensive measure of children’s block construction.