PhD, Quantitative Psychology
University of North Carolina at Chapel Hill, Chapel Hill, NC
North Carolina Central University, Chapel Hill, NC
Valerie Williams, PhD, is a Senior Director of Psychometrics in the Patient-Centered Outcomes Assessment group at RTI-HS. She has 25 years of experience applying psychometric and statistical methods to topics in measurement. Her work at RTI HS has involved a number of therapeutic areas, including respiratory, gastrointestinal, and gynecological disorders, obesity, sexual dysfunction, bipolar disorder, anxiety, depression, and chronic pain. Dr. Williams has developed scales and surveys for a range of applications, including substance abuse, health care utilization, and various psychological disorders; she has designed and directed the psychometric evaluation and statistical analysis of instruments related to health care, quality of life, educational achievement, and a variety of psychological constructs, using specialized techniques such as factor analysis, structural equations modeling, hierarchical modeling, and item response theory. She has published and presented widely on topics related to measurement and quantitative psychology.