https://www.selleckchem.com/pr....oducts/biricodar.htm
Volume 48 of this journal has presented a series of studies evaluating clinical test measurement models. Two of these investigations reported through exploratory factor analysis (EFA) the number of factors extracted to examine the structure of the test which consists of variables associated with the same factor, the common underlying trait of which allows correlation between such variables. The EFA methodology is linked to the area of psychometrics that has driven the evaluation of latent variable models (not directly measurable), thi
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