Psychometrician
CurrentConduct calibration, scoring, and equating for different GMAC products (e.g., GMAT, EA, and NMAT)Assemble linear forms and multistage sections using linear programming solvers (e.g., IPSolve and CPLEX)Assemble computerized adaptive testing (CAT) pools with the honeycomb method that can control overlapping rates across pools and pool-level information using linear programming solvers.Evaluate CAT pool performance using simulation and write summary reports.Conduct GMAT and EA validity studies and meta-analysis validity studies for various MBA programsOversee a team to develop template-based automated item generation (AIG) items for high-stakes CATApply NLP text similarity indices to enemy item detection for high-stakes CAT examsBuilt an enemy item detection tool that helps the enemy item detection and review process