Test Theories, and Evolution in Technology

– Written by: Dr. Claudio Violato – Test Theories There are three major interrelated test theories today: 1) Classical test theory (CTT), 2) Generalizability theory (G-theory) 3) Item response theory (IRT).   All three theories are fundamental to the field of psychometrics – the theory and technique of psychological and educational measurement. This includes the objective…

The Spread of Large Scale Testing

– Written by: Dr. Claudio Violato – The Flexner Report In 1910, Abraham Flexner produced the now famous Flexner Report, Medical Education in the United States and Canada: A Report to the Carnegie Foundation for the Advancement of Teaching that was commissioned by the Carnegie Foundation [1]. At that time there were approximately 157 medical schools that…

Licensing Physicians throughout the Ages

– Written by: Dr. Claudio Violato – Before The Renaissance Prior to systematic testing as in modern times, the licensing of physicians has nevertheless been regulated. Control of the medical market place through licensing, prosecutions and penalties has a long history and is not unique to modern society. Several cases illustrate the practices in the past…

Brief History of Testing

– Written by: Dr. Claudio Violato – Modern testing of physicians and other healthcare professionals is well established and rely on scientific processes and procedures encompassed in the field of psychometrics. While the science of testing and assessment for the purpose of certification and licensure has developed in the past century or so, the regulation of…

Assessment & Education Mini-Series

Over the 12 weeks, we will be posting a series of written by Dr. Claudio Violato on the topics of assessment, education, and psychometrics. Dr. Claudio Violato is a leader in the industry with more than 200 academic publications and thousands of citations.  As a Professor, he has taught and mentored numerous psychometricians in the…