Latent variables are unobserved constructs that cannot be measured directly, but are inferred from a set of observed indicators. For example, customer satisfaction, intelligence, or depression are ...

While efforts are made to improve tissue quality and control preanalytical variables, pathologists are often confronted with the challenge of molecular analysis of patient samples of unknown quality.

El modelado de ecuaciones estructurales (SEM) es una técnica poderosa para analizar relaciones complejas entre variables observadas y no observadas. Sin embargo, SEM también requiere una cuidadosa ...

ABSTRACT: Psychometric theory requires unidimensionality (i.e., scale items should represent a common latent variable). One advocated approach to test unidimensionality within the Rasch model is to ...