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Unlu, Ali; Sargin, Anatol – Applied Psychological Measurement, 2009
Mondrian is state-of-the-art statistical data visualization software featuring modern interactive visualization techniques for a wide range of data types. This article reviews the capabilities, functionality, and interactive properties of this software package. Key features of Mondrian are illustrated with data from the Programme for International…
Descriptors: Statistical Data, Computer Graphics, Computer Software, Item Analysis
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Strahan, Robert F.; Hansen, Chris J. – Applied Psychological Measurement, 1979
Eighty graduate students and faculty estimated the correlation coefficient for each of 13 computer-printed scatterplots. As predicted, subjects underestimated the degree of actual correlation. With substantial moderation by a method-of-presentation factor, this underestimation was most pronounced in the middle of the correlational range.…
Descriptors: College Faculty, Computer Graphics, Correlation, Graduate Students