The construct of spatial ability is discussed and it is suggested that some widely used and cited tests that are called spatial ability tests may not be valid measures of that ability. Instead, their items may be solved using mental processes that are clearly analytical and not spatial in nature. Four studies involving the analysis of subjects'…

A project to evaluate Furth's Inventory of Piaget's Developmental Tasks is described, particularly as that test might be useful in adapting instruction and curricula to the cognitive level of science students. This multiple-choice paper-pencil inventory has 72 items in five problem areas: conservation, images, relations, classification, and laws.…

The Learning Style Profile (LSP), developed in four phases from the fall of 1983 to early 1986, identifies perceptual responses, cognitive skills, study preferences, and instructional preferences. This study assesses the LSP Simultaneous Processing Skill subscale, which is modeled after the work of the Russian neuropsychologist, A. R. Luria.…