In their seminal study of chess expertise, Simon and Chase (Chase & Simon, 1973; Simon & Chase, 1973) proposed that perceptual learning was a necessary component of skill acquisition. In their view, acquisition of skill results from the strategic use of learning at multiple levels to adaptively overcome inherent limitations. The knowledge…

A study is undertaken to determine whether the nonlinguistic priority of the agent of an action facilitates the comprehension of word reference. The subjects were twelve male and twelve female infants at the one word stage of language production. The children were presented with three nonsense names (presented as part of a narration of a filmed…

Fifty-four kindergarten children were screened with the Sapir Developmental Scale to highlight deficiencies in bodily schema, perceptual motor skills, and language development, and were matched in groups of three by score, chronological age, and sex with one of the three acting as control. Three first grade classes were organized as follows: one…