Powell, Marvin (Nombre Personal)

En su obra: Age and sex differences ... 1955.

En su obra: La psicología de la adolescencia, 1994: portada (Marvin Powell)

En el sitio web George Mason University, consultado Abril 29, 2022: (Dr. Marvin Powell PhD, University of North Texas Assistant Professor Research Methodology ; Marvin G. Powell is an Assistant Professor in the College of Education and Human Development at George Mason University. Powell teaches Ph.D.-level quantitative methods courses, focusing on measurement development and validation, and statistical applications. He conducts research in the assessment of the psychometric properties of educational and psychological instruments using a range of latent trait analyses: structural equation modelling and item response theory.) https://cehd.gmu.edu/people/faculty/mpowel11