Psychometrics is the science of psychological measurement – including, but not limited to, measuring unobservable concepts such as attitudes, personality traits, knowledge, abilities, and educational aptitude or proficiency.
Vector Psychometric Group, LLC (VPG) is a psychometric solutions company. We provide business, government, and academic organizations with the psychometric expertise and software they need to meet their goals.
Our extensive experience with both psychometric and statistical problems enables us to offer a wide range of consulting services to our clients. In the past, we have used psychometric and statistical methods to: help clients identify and/or refine questions, develop and evaluate scales, link extant scales to a common metric, perform literature reviews, provide quality control and auditing, design studies, and prepare reports, posters, and manuscripts. Our products, which currently include an item response theory (IRT) software package (flexMIRT™) and a web-based data collection system with the ability to assemble and support adaptive tests (Adaptest™), provide clients with cutting-edge psychometric applications that are powerful, flexible, and user-friendly.