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Cluster Analysis | 1 |
Cluster Grouping | 1 |
Correlation | 1 |
Multidimensional Scaling | 1 |
Scoring | 1 |
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Journal of Educational… | 1 |
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Roussos, Louis A.; Stout, William F.; Marden, John I. – Journal of Educational Measurement, 1998
Introduces a new approach for partitioning test items into dimensionally distinct item clusters. The core of this approach is a new item-pair conditional-covariance-based proximity measure that can be used with hierarchical cluster analysis. The procedure can correctly classify, on average, over 90% of the items for correlations as high as 0.9.…
Descriptors: Cluster Analysis, Cluster Grouping, Correlation, Multidimensional Scaling