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The arguments presented in this paper are concerned with visual perception; while auditory perception is presently making its bid, apparently it is less easily commercialized as a separate trainable entity or composite of entities. The visual in this presentation is intended to include the visual-motor as well as the purely perceptual. While attempts have been made to differentiate one from the other, the visual perception approaches that are presently salient are those that are by implication, if not manifestly, motor in nature.

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1983).The develoment of the relation between letter-naming speed and reading ability.

This study evaluated the ability of the Cognitive Levels Test to estimate current achievement in mathematics (as measured by the KeyMath Diagnostic Arithmetic Test) and reading (via the Woodcock Reading Mastery Tests) among a group of 43 handicapped and at-risk children. The validity coefficients resulting from the analysis indicated that the Cognitive Levels Test provides valid estimates of mathematics and reading achievement. A repeated measures analysis of variance yielded just one score that was significantly different from other scores in the set. That is, the Letter Identification score of the Woodcock Reading Mastery Test was found to be significantly greater than all other reading and cognitive scores. Although the Cognitive Levels Test scores met criteria for convergent-discriminant validity with regard to the KeyMath Diagnostic Arithmetic Test scores, the results were less promising regarding the Woodcock Reading Mastery Test.