The Computer-based Orthographic Processing Assessment (COPA) is a newly developed assessment to measure orthographic processing skills, including rapid perception, access, differentiation, correction, and arrangement. In this study, cognitive diagnostic models were used to test if the dimensionality of the COPA conforms to theoretical expectation,…

Compared scores on the Peabody Picture Vocabulary Test-Revised (PPVT-R) and Wechsler Intelligence Scale for Children-Revised (WISC-R) for 40 nonexceptional second graders. Subjects tended to score lower on PPVT-R than on WISC-R; scores from the tests were moderately correlated; and order of administration did not appear to alter scores. (NRB)

This study attempted to determine whether certain demographic factors, Intelligence Quotient tests, or achievement tests best predict achievement of second through fourth grade students. Findings suggest that the group mental ability test did not add to the knowledge gained from a comprehensive achievement testing program. (Authors/PP)

Obtained intelligence scale scores to predict academic achievement scores on a comprehensive testing program given at the end of grades one, two, and three. Results show that correlations between achievement and verbal IQ are significant at all three grade levels. Findings indicate that verbal abilities are more predictive of academic achievement…

Noting that accurate procedures for predicting reading ability in school settings are necessary for a variety of purposes, this paper reviews methods for predicting reading ability and presents a new, more precise model for use at the second grade level. First, the paper defines reading expectancy as an informed estimate of the level of reading…