Arturo García-Santillán, Milka Escalera-Chávez, Francisco Venegas-Martínez, Principal Components Analysis and Factorial Analysis to Measure Latent Variables in a Quantitative Research: A Mathematical Theoretical Approach, BSMaSS Volume 7, The Bulletin of Society for Mathematical Services and Standards (Volume 7) https://www.scipress.com/BSMaSS.7.3 Abstract: The aim of this paper focuses on showing how the factorial analysis and principal components analysis are useful for measuring latent variables in a concise way and safely as a help to building for new concepts and theories. Keywords: