Measuring fluid intelligence on a ratio scale: evidence from nonverbal classification problems and information entropy.
Drawing on the g factor and information theory literatures, the relationship between the four subtests of the Culture-Fair Intelligence Test (CFIT) and the entropy of the Ruiz Absolute Scale of Complexity Management (R-ASCM) was investigated. In results based on data collected from 186 university students, the entropy of the R-ASCM mostly loads the first principal component extracted from the CFIT subtests and shows a corresponding strong relationship with the item difficulty of the R-ASCM. Because entropy is a ratio scale of complexity--with a true zero and units called bits--these findings suggest that entropy is the right vehicle for measuring the information contained in nonverbal intelligence tests.
Ruiz
Philippe E
PE
ESC Lille Graduate School-LSMRC, Euralille, France. p.ruiz@esc-lille.fr
D000465:Algorithms; D003469:Culture; D019277:Entropy; D005260:Female; D006801:Humans; D007361:Intelligence Tests / Q000706:statistics & numerical data*; D008297:Male; D055815:Young Adult