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Direct linkHannafin, Robert D.; Truxaw, Mary P.; Vermillion, Jennifer R.; Liu, Yingjie – Journal of Educational Research, 2008
The authors investigated the effects of student spatial ability, as measured by Raven's Progressive Colored Matrices (J. C. Raven, 1938) and type of instructional program on geometry achievement. Sixth-grade students worked through either 6 instructional activities in Geometer's Sketchpad (Key Curriculum Press, 1993), a dynamic geometry program,…
Descriptors: Tutorial Programs, Spatial Ability, Time on Task, Geometry
