Biography and Career
Rudner earned his Ph.D. in Psychometrics and Educational Measurement. His career spans significant roles in prominent educational testing organizations. He worked at the [[Educational Testing Service]] (ETS), a leading organization in educational assessment.Later, he joined the [[Graduate Management Admission Council]] (GMAC), where he served as the Chief Psychometrician and subsequently as Vice President of Research and Development. In this capacity, he played a pivotal role in the psychometric development, research, and integrity of the [[Graduate Management Admission Test]] (GMAT) and other GMAC assessment products.
After his tenure at GMAC, Rudner established Rudner Consulting, where he continues to provide expertise in psychometrics, assessment design, and evaluation to various educational and professional organizations.
Contributions and Research
Rudner's work has significantly impacted the design and implementation of large-scale assessments. His research interests and extensive publications primarily focus on:- Computer Adaptive Testing (CAT): He is a leading expert in the design, implementation, and psychometric validation of CAT systems, which tailor test items to a test-taker's ability level in real-time.
- Item Response Theory (IRT): He has extensively applied and researched IRT models for item calibration, scoring, test development, and linking across different test forms.
- Standard Setting: Rudner has contributed to methodologies and best practices for setting performance standards on educational and professional licensure tests, ensuring fair and valid cut scores.
- Psychometric Software Development: He has been involved in developing and promoting software tools and resources for psychometric analysis and test development.
He also served as an editor for the ''Journal of Technology, Learning, and Assessment'', further demonstrating his influence in the intersection of technology and educational measurement theory and practice.
Publications
Rudner has authored and co-authored numerous articles in peer-reviewed journals, book chapters, and technical reports. His publications cover a wide range of topics in psychometrics and educational assessment, providing foundational and applied knowledge to practitioners and researchers in the field.See Also
- [[Psychometrics]]
- [[Computer Adaptive Testing]]
- [[Item Response Theory]]
- [[Educational Testing Service]]
- [[Graduate Management Admission Council]]