We report on the construction, validation, and implementation of an instrument for measuring students' strategic knowledge about drawing for geometry modelling problems, namely, the "strategic knowledge about drawing scale." We conducted a qualitative study and a quantitative study to validate the proposed construction and interpretation…

The findings from this study suggest that 2-year-old children regularly use mark making as a tool to further support their emergent thoughts and understanding of the world. The qualitative study of three 2-year-old children uses observations and informal interviews to construct narrative stories of their explorations and play both at nursery and…

The recognition that children's cognitive skills are evident in visual as well as verbal conventions has led to the construction of the Silver Test of Cognitive and Creative Skills (STCCS) for the assessment and development of children's cognitive abilities. Research on cognition, the role of language in cognition, and left and right brain…

Describes a field sketch mapping project conducted with a sixth-grade class. The project involved selecting appropriate sites around the school to map, organizing the students, and instructing them about measuring distances and drawing maps. Illustrations include assignments and examples of students' work. (MJP)