Rudolf Arnheim, former Harvard Professor of the Psychology of Art, developed a theory that the perception of the structure of things in the world is based on simultaneous use of two primary systems: (1) the cosmic system of concentricity and (2) the parochial system of the Cartesian grid. The Cartesin grid imposes order, while the concentric…

Tested preassessment screening procedure to evaluate sensory-motor and perceptual encoding processes of children referred for psychoeducational assessment. Compared assessment procedures and outcomes for 18 children screened for encoding deficits and for 23 children whose psychoeducational evalution did not include screening. Results demonstrated…

This study assessed the usefulness of the dynamic testing approach to optimize testing procedures by reducing or eliminating bias, conceived of as error in measurement attributable to factors entering into performance which were not the target of the assessment. The study examined: (1) whether the dynamic assessment approach yields information…