- Executive Director, National and International Assessments
Helena Jia is the Executive Director of National and International Assessments at Educational Testing Service. She received her M.S. and Ph.D. in statistical science at Southern Methodist University in 2004 and in 2007, respectively.
Helena oversees operational psychometric work and research for the centers focused on educational surveys, including the United States National Assessment of Educational Progress (NAEP), the Programme for International Student Assessment (PISA) and the Programme for the International Assessment of Adult Competencies (PIAAC). She has extensive experience in design, analysis, score reporting of large-scale educational survey assessments. Helena’s research interests focus on item-response theory latent regression models, linking of test scores in group-score assessment, adaptive testing, and survey sampling.
Statistics, Psychometrics and Data Analytics in Educational Survey Assessments
Educational survey assessments are used in measuring and monitoring learning and educational progress for youth as a group, rather than as individuals. This talk offers an overview of how practitioners applying methodologies in statistics, psychometrics and data analytics in the design of educational survey assessments, as well as in the estimation of group scores nationally […]