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Peer reviewedStrahan, 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
