This study investigated the relationship between mathematics difficulties and psychopathology in a large community sample (N = 881) of youth (8-18 years of age) in the United States. The primary aims of the study were to (a) test the associations between mathematics difficulties and specific components of internalizing, externalizing, attention,…

This study compared the reading subtests of the Wechsler Individual Achievement Test-Third Edition and the Peabody Individual Achievement Test-Revised/Normative Update. Scores were compared on these two tests in a group of 28 students ages 7 through 12 who were referred or reevaluated for suspected learning problems. The data were collected…

Determines the number of factors measured by the Peabody Institute Achievement Test (PIAT) subtests and the extent to which subtests measured the factors found. Results indicate only two factors: word recognition, and school-related knowledge. Use of PIAT as a separate test in a battery containing the WISC-R is supported. (Author/BEF)

Compares performances on the Peabody Individual Achievement Test (PIAT) Math, Spelling, and Reading subtests with the Wide Range Achievement Test (WRAT) Arithmetic, Spelling, and Reading subtests for a sample of fourth-graders. Nearly all PIAT-WRAT intercorrelations were positive and significant, and highest for the similarly labelled subtests.…

This study sought to determine the convergent and discriminant validity of the PIAT when administered to separate samples of Anglo and Mexican-American children. Thirty-one Mexican-American and 31 Anglo-American children were matched on the basis of sex, age, SES, educational placement, and reason referred for psychological assessment. All…