A Monte Carlo simulation technique for generating dichotomous item scores is presented that implements (a) a psychometric model with different explicit assumptions than traditional parametric item response theory (IRT) models, and (b) item characteristic curves without restrictive assumptions concerning mathematical form. The four-parameter beta…

Field dependence and spatial ability are examined as different labels for a common underlying dimension. Sixty college students completed two tests of field dependence and two tests of spatial ability. Results of an analysis of covariance found no evidence to view the two traits as distinct from each other. (Author/LMO)

A factor analysis study was conducted of the Wide Range Assessment of Memory and Learning (WRAML), a test developed from a test structure model of memory and learning. The battery is composed of nine subtests (three verbal, three visual, and three learning subsets). The sample consisted of 903 students aged 5 years through 8 years 11 months, and…