Refers to classification skills as preludes" to concept attainment. (Author)

Reports on a study that examined the effects of decentration training upon second-grade children's responses to reading instruction. Concludes that those who learned to decentrate did better on postinstruction comprehension tests than those who did not learn the technique. (FL)

The content of 228 college student's writing samples appears to be a main determiner of how many and what types of preposition errors will appear. These results indicate that preposition errors point to cognitive lags and complex, abstract writing tasks may be the appropriate treatment. (Author/PN)

Describes a series of exercises designed to develop student's perceptual skills and to improve the processes of comparing, describing, and developing subsets. Includes suggestions for adapting the exercises into science lessons, providing tips for developing each into complete units. Units include human-made objects, leaves, shells, rocks, and…

Past research which used Piaget's model of cognitive development has suggested that historical understanding is a developmental construct. The present study, designed to test the theoretical adequacy of previous studies, shows that a new variable, information processing, could predict the level of historical understanding. (Author/CS)

Mathematics teachers are seen working in a context affected by three major revolutions. The first, mass secondary education, has been dealt with. The second, technological revolution, is taking place. The third, humanizing mathematics, is viewed as heaving into sight, and seen as possibly a greater upheaval than the others. (Author/MP)

Logical reasoning ability and information processing capacity are investigated in terms of the effects of these cognitive capacities on children's ability to learn concepts of linear measurement. (MP)

Investigates effects of an independent variable (grade) on three dependent variables (membership, partial association, and generalization) describing preferential styles of thinking in 1635 pupils, measured by a 16 concept word test. (DS)