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'…

The historical development and recent applications are described of the picture sequencing format (PSF), a testing device which requires the subject to designate a complete and correct order for a set of related pictures. The earliest use was by Decroly in 1914 and perhaps the best known use is in the Wechsler intelligence tests. Special…

It has been suggested than an educational curriculum should include training in working with people as well as with ideas. Measuring and conceptualizing "social intelligence has been difficult, however. Although the idea of social intelligence has a long history, most tests which have been proposed to measure such ability correlate highly…

Adolescents, ages 11-12 and 13-14, were tested for maturity of judgment about stability-change situations and about time perspective. (CP)