Effects of Geometric Toy Design on Parent-Child Interactions and Spatial Language.

Geometric forms have formal definitions. While knowing shape names is considered important for school-readiness, many children do not understand the defining features of shapes until well into elementary school (Satlow & Newcombe, 1998). One reason is likely that they do not encounter enough variety in the shapes they see (citation removed). The present study observed 60 parents and their 3-year-old children during play with geometric toys, exploring how spatial language varied with the nature of the shape-toy set (canonical shapes versus a mix of canonical and unusual or less-canonical variants) and whether geometric shapes were presented as tangible, traditional toys or shown on a touchscreen tablet app. Although children in the app condition heard more shape names than the other conditions due to the language produced by the app itself, children used more overall words and more spatial language with tangible toys that included varied shapes. In addition, parents used more shape names with sons than with daughters and tended to adjust their use of spatial language more in response to varied shape sets with boys, although these findings need replication to evaluate generality. These data suggest that including non-canonical shapes in tangible shape toys may provide a low-cost, high-impact way of refining adult-child interactions that might facilitate children's early geometric knowledge.