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Direct linkYoon, So Yoon – ProQuest LLC, 2011
Working under classical test theory (CTT) and item response theory (IRT) frameworks, this study investigated psychometric properties of the Revised Purdue Spatial Visualization Tests: Visualization of Rotations (Revised PSVT:R). The original version, the PSVT:R was designed by Guay (1976) to measure spatial visualization ability in…
Descriptors: Undergraduate Students, Test Bias, Guessing (Tests), Construct Validity
Ratliff, Bobby Kevin – ProQuest LLC, 2009
The purpose of this study was to determine (1) strategies students use when solving composition problems and the difficulties they encounter; (2) conceptions and/or misconceptions students have with respect to composition of functions; and (3) the effect of using dynamic visualization during instruction on students' understanding of composition of…
Descriptors: Test Items, Visualization, Concept Formation, Calculus
