Studies five-year-olds' relative number judgements of small and large number displays with and without perceptual aids. Children were found to respond to local rather than global density differences and to benefit from the provision of perceptual aids on both small and large number displays. (Author/AS)

Over a period of three years a group of 510 rural children participated in a study of visual perceptions, including eye motor coordination, discernment of figures in a ground pattern, form constancy, position in space, and spatial relations, as measured by the Frostig Visual Perceptions Test. Visual perceptions of children of other cultures were…

Outlines a simple classroom demonstration that illustrates Piagetian conservation. Piagetian conservation refers to the illusion of an increase in mass by changing an object's form. This demonstration, done by forming an ellipse with an extension cord, shows that college students are as susceptible to this effect as are young children. (MJP)