… This finding suggested that the latent structure for spatial skill is unitary. However, as …
spatial skill in the present study using confirmatory factor analysis and examining only the spatial …

… our aim was to determine whether the latent structure was the same in two samples using
the … these new tasks to see if they caused the latent structures to shift. As noted earlier, such …

… , what kind of spatial skill do we … spatial and mathematics skill in three age groups (kindergarten,
third, and sixth grades). We then used these measures to evaluate the latent structures …

… the latent structure of the hypothesized constructs of numerical, spatial, and EF skills and …
, partially mediated the relation between spatial skills and mathematics achievement. Overall…

… spatial transformations are not highly practiced skills for most people and that, as we argue
here, more spatial … , and so on, performing spatial transformations can indirectly implicate …

… skills mediated the relationship between spatial skills and mathematical skills, but a unique
relation between the spatial and mathematical skills remained. Implications of these findings …

… performance can be explained by variance in spatial skill. Why do these relations exist and
… is not limited to specific spatial or mathematics subskills. Spatial skills might perform several …

… The results indicated a hierarchical etiological structure whereby a general genetic latent …
This study provides strong evidence for a unitary hierarchical structure across different …

… The results of the EFA and of the CFA confirmed the two-factor structure of intelligence.
The latent variables in the models were fluid/spatial intelligence and crystallized intelligence …

… spatial skills and math performance, that spatial skills primarily impact later math performance.
… Our initial a priori plan was to fit a latent change score model to the data to simultaneously …