The relations among various spatial and mathematics skills were assessed in a cross-sectional study of 854 children from kindergarten, third, and sixth grades (i.e., 5 to 13 years of age). Children completed a battery of spatial mathematics tests and their scores were submitted to exploratory factor analyses both within and across domains. In the…

Individuals with Williams syndrome (WS) show a specific deficit in visuo-spatial abilities. This finding, however, derives mainly from performance on small-scale laboratory-based tasks. This study investigated large-scale route learning in individuals with WS and two matched control groups (moderate learning difficulty group [MLD], typically…

Explores longstanding inconsistencies in Piaget's account of development of spatial representation and perspective-taking. Examines Piaget's early writings and the findings of the original "three mountains" experiment. Concludes that Piaget's alternative theory is compatible with contemporary thinking and is important as a contributory…

In four experiments, three, four, and five year olds were successful in solving perspective-taking problems when they were asked what object occupied a specified location with respect to a hypothetical observer. Results indicated developmental change in several important aspects of spatial performance. (BC)

Tested children's ability to compute perspectives from locational and structural descriptions of scenes. Children from 4 to 10 years of age were given perspective-taking problems that involved abstract multicomponent scenes; responses entailed the reconstruction of alternate views. Four-year olds were unsuccessful; 10-year olds were successful…

The development of young children's internal representations of large space was assessed by asking 15 boys and 15 girls to construct a three-dimensional model of their kindergarten classroom. Three groups of 10 children (ranging in age from 4 years, 8 months to 6 years, 3 months) were tested, two in the spring and one in the fall. One of the…

The role of verbalization in children's mental operations was studied by comparing the mental operations children used in spatial perspective tasks (indicating another's view) and rotation tasks (imagining an object's rotation and one's own subsequent view). Each of 96 children (equal numbers of boys and girls, kindergarten and second grade…

Discussion of spatial skills focuses on a quasi-experimental field study that was designed to test the possibility that elementary and secondary school library users' success in stack searches could be related to a particular spatial skill, i.e., the ability to solve large-scale mental-rotation and perspective-taking problems. (13 references) (LRW)

Traces the development of artistic ability in a six-year-old boy with autism and mild mental retardation. Addresses questions concerning autism and artistic development including whether intellectual realism is a necessary precursor to visual realism and whether a two-dimensional photographic memory is used as opposed to three-dimensional…