A short form of the 60-item computer-based orthographic processing assessment (long-form COPA or COPA-LF) was developed. The COPA-LF consists of five skills, including rapid perception, access, differentiation, correction, and arrangement. Thirty items from the COPA-LF were selected for the short-form COPA (COPA-SF) based on cognitive diagnostic…

Universal screening of very early school-age children (age 4-7 years) is important for early identification of learning problems that may require enhanced learning opportunity. In this context, use of standardized instruments is critical to obtain valid, reliable, and comparable assessment outcomes. A wide variety of standardized instruments is…

Compared the Peabody Picture Vocabulary Test and McCarthy Scales of Children's Abilities for 35 preschool children identified as being "at risk." Nonsignificant differences were found between Forms L and M of the PPVT-R and the McCarthy GCI.Correlations between the PPVT-R and the McCarthy GCI and Scale scores were significant. (Author)