A group of 45 people over age 50 attempted to solve the Bridges of Konigsberg problem, which has no solution. No age differences were found in time spent on task; performance was not related to IQ test performance or length of education. Results suggest that perseverance is unaffected by aging. (SK)

This final report discusses research and literature analyses concerned with the attentional mechanisms in children's learning and analysis of cognitive changes from ages 5 to 7. The long-term objective of the project was to relate knowledge about children's attention and learning to issues of educational practice. The project focused its efforts…

This appendix includes seven papers which focus on various aspects of the learning processes of children ages 5-7: (1) S. Thompson, "Transitions to concrete operations: A survey of Piaget's writings" (in outline form); (2) S. H. White, "Changes in learning processes in the late preschool years," an examination of cross-cultural…