Igor Himlfarb Resume

2017- Present Director, Department of Psychometrics and Research; Psychometrician National Board of Chiropractic Examiners. Greeley, Colorado

Duties: Oversee scoring, calibration, equating, linking, and scaling. Evaluate programs and provide program reviews. Communicate testing results to stakeholders including board members and chiropractic colleges. Manage direct reports.

2014- 2018 Associate Professor of Business Administration. Lincoln University California, Oakland, CA

2013- 2016 Associate Psychometrician, Research & Development, Educational Testing Service, San Francisco, CA

Duties: Serving as psychometric lead on Tennessee End of Course Assessment in Biology, Chemistry and U.S. History; Achievement Assessment in Science, Mathematics, and Social Science, and Alternate Assessment. Wrote statistical


specifications for psychometric work and for data analysts and assessment development team; conducted calibration and reviewed test developed forms; created sample plan; worked with data analysts to establish data layout; reviewed form planners and scoring keys; conducted and reviewed Preliminary Item Analysis (PIA, classical statistics); conducted and reviewed post-administration equating. Conducted and reviewed Final Item Analysis (FIA, classical and IRT), wrote sections of technical reports; conducted calibration using PARSCALE and flexMIRT programs.
Served as a member of psychometric team on The Partnership for Assessment of Readiness for College and Careers (PARCC) consortia. Conducted calibration using PARSCALE ; conducted and reviewed PIA, FIA, linking and equating. Wrote sections of technical report. Conducted special studies requested by PARCC (dimensionality and model comparability). Presented results during internal meetings and to the client.
Served as a psychometric reviewer for California English Language Development Test (CELDT). Reviews included PIA, FIA, scaling, linking, and equating. Served as a co-lead of psychometric team for the Test of English as a Foreign Language (TOEFL). Duties included pre-administration planning and activities, and post administration analysis and reviews: PIA, FIA, E-rater reliability. Wrote E-rater reliability annual
technical reports. Served as a member of psychometric team on the Test of English for International Communication (TOEIC).

2012-2013 Advanced Design and Analytics, Client Services, The Gallup Organization Irvine, CA

Duties: Conducting statistical analysis, supervising statistical analysts, designing studies. Communicating results to clients including Broadcasting Board of Governors (BBG), Voice of America and Radio Free Liberty (Free Europe). Published on Gallup.com

2011-2012 Outside Statistical Consultant, The Gallup Organization

Education
Emphasis: Research Methodology Option: Educational Statistic; Quantitative Methods in Social Science