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Direct linkBairaktarova, Diana – Engineering Design Graphics Journal, 2017
The ability to graphically depict objects in two- and three-dimensional space is fundamental to engineering design practice. Historically, engineers have used pencil, paper, and erasers to draft preliminary sketches and to transform initial drafts into precise production drawings. With the proliferation of computer-aided design (CAD) software…
Descriptors: Freehand Drawing, Geometry, Computer Assisted Design, Engineering Education
Gittler, Georg; Fischer, Gerhard – Journal of Educational and Behavioral Statistics, 2011
The article extends and applies previous approaches by Klauer and Fischer to the statistical evaluation of ability changes in tests conforming to the Rasch model (RM). Exact uniformly most powerful unbiased (UMPU) hypothesis tests and uniformly most accurate (UMA) confidence intervals (CIs) for the amount of change can be constructed for each…
Descriptors: Item Response Theory, Change, Spatial Ability, Classical Music
Verner, Igor M. – International Journal of Computers for Mathematical Learning, 2004
This article considers the use of a learning environment, RoboCell, where manipulations of objects are performed by robot operations specified through the learner's application of mathematical and spatial reasoning. A curriculum is proposed relating to robot kinematics and point-to-point motion, rotation of objects, and robotic assembly of spatial…
Descriptors: Middle Schools, High Schools, Visualization, Teaching Methods
