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Download full textGleason, Jim; Thomas, Matt; Bagley, Spencer; Rice, Lisa; White, Diana; Clements, Nathan – North American Chapter of the International Group for the Psychology of Mathematics Education, 2015
We present findings from an analysis of the Calculus Concept Inventory. Analysis of data from over 1500 students across four institutions indicates that there are deficiencies in the instrument. The analysis showed the data is consistent with a unidimensional model and does not have strong enough reliability for its intended use. This finding…
Descriptors: Calculus, Content Validity, Mathematical Concepts, Test Reliability
Hassad, Rossi A. – Online Submission, 2009
This study examined the teaching practices of 227 college instructors of introductory statistics (from the health and behavioral sciences). Using primarily multidimensional scaling (MDS) techniques, a two-dimensional, 10-item teaching practice scale, TISS (Teaching of Introductory Statistics Scale), was developed and validated. The two dimensions…
Descriptors: Constructivism (Learning), Measures (Individuals), Multidimensional Scaling, Psychometrics
