Rob Keller Email & Phone Number

United States

• Served as Senior Measurement Advisor for computerized adaptive testing (CAT)
• Conducted simulation studies to optimize CAT configuration and to advise content developers where new development would best serve the testing program
• Led teams of research scientists and data analysts to support educational research for local, state, and national educational organizations
• Worked as a lead advisor to multiple state and municipal programs in developing and implementing practical and… Show more
• Worked as a lead advisor to multiple state and municipal programs in developing and implementing practical and innovative solutions Show less

Alpharetta, Georgia, United States

• Oversaw the creation of enterprise-level software tools to support operational psychometric work, test development, and adaptive testing
• Created tools to support approximately 10 significant operational priorities spanning 4 functional groups, reducing time and effort required for task completion by between 50%-95% and error incidents by over 95%
• Conducted dozens of research studies annually in psychometrics, test development, and adaptive testing
• Developed data storage and… Show more
• Developed data storage and integration strategies to support enterprise level psychometric analysis software; developed protocols to allow cross-departmental and cross-organizational communication within software.
• Conducted operational psychometric procedures, predominantly focused on test equating and standard setting preparation

• Developed psychometric based software tools to improve workflow as well as data management efficiencies and integrity
• Conducted research on best practices and implementation details on operational psychometric topics (e.g., Automated Test Assembly, Computer Adaptive Testing, IRT Based Calibration, Equating techniques)
• Worked as part of a development team filling multiple roles, including: Product Owner, Software Engineer, Subject Matter Expert, Business Analyst

• Performed operational psychometric tasks for large-scale high-stakes K-12 testing programs:- Performed IRT based and Classical Test Equating studies for 95% of the company’s contracts- Contributed to bid proposal.
• Led software development initiatives to develop: - Software tools to support… Show more
• Led software development initiatives to develop: - Software tools to support psychometric analyses- Automated data driven documentation systems- A computer adaptive testing engine and item bank analysis program
• Improved software systems to increase data integrity, quality, and cross functional accessibility Show less

Dover, NH

• Secured 2 multi-year contracts with the federal government to provide psychometric assistance on English Language and Foreign Language Assessment Programs for the Defense Language National Security Office through an.
• Oversaw and participated in simulation work to support small-sample item calibration (IRT) for purposes of constructing parallel forms in foreign language testing programs
• Served as member of the Validity Task Force, which guided the Foreign… Show more
• Served as member of the Validity Task Force, which guided the Foreign Language Center at the Defense Language Institute developing a validity argument and collecting evidence in support of test score interpretations.
• Provided guidance to the DELTAP (Technical Advisory Panel) on approaches for improving the psychometric rigor of the Foreign Language Assessment Programs Show less