This study is an examination of the incremental validity of Cattell-Horn-Carroll (CHC) broad clusters from the Woodcock-Johnson III Tests of Cognitive Abilities (WJ III COG) for predicting scores on the Woodcock-Johnson III Tests of Achievement (WJ III ACH). The participants were children and adolescents, ages 6-18 (n = 4,722), drawn from the WJ…

The purpose of the study was to investigate how grading in primary school affected students' achievement measured by grades in 7th, 8th and 9th Grade and educational attainment in upper secondary school (12th Grade), and how the effect varied as a function of students' cognitive ability, gender and socio-economic status. The data derived from the…

Koppitz Emotional Indicators (EIs) were used to predict the learning-related behavior of kindergarten children on the Lock Box and Guide to the Child's Learning Style. Findings supported the use of EIs as general estimates of learning-related behavior, but diagnostic utility was marginal for children with pathological scores. (Author/LMO)

Based on statistics from the first few administrations of the SAT writing section, the test is performing as expected. The reliability of the writing section is very similar to that of other writing assessments. Based on preliminary validity research, the writing section is expected to add modestly to the prediction of college performance when…

A battery of tests dealing with attitudinal, reasoning and job-orientation skills were predictively validated against trainee performance criterion information obtained at completion of the Opportunities Industrialization Center (OIC) manpower training program and at approximately six to eight months following training. Validity coefficients based…