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- W1520595370 abstract "optifact is a program to find the combination of items that makes the best summated rating scale. Each possible combination of items is called a candidate scale. optifact uses common factor analysis on every candidate scale, does canonical correlation (if requested) on each of the candidate scales, and sorts the candidate scales which have only one dimension in descending order of Cronbach's alpha, for each size of scale. The alphas are not compared across scale sizes, since alpha usually increases with the addition of an item, even if that item does not significantly add to the measurement." @default.
- W1520595370 created "2016-06-24" @default.
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- W1520595370 date "2011-04-14" @default.
- W1520595370 modified "2023-09-27" @default.
- W1520595370 title "OPTIFACT: Stata module to find the best summated rating scale from a list of items" @default.
- W1520595370 hasPublicationYear "2011" @default.
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