Guangming Ling is a research director in the Center for Education and Career Development in the Research & Development division at ETS. His research focuses on assessment and training of core competencies; student learning outcomes assessments; and factors related to testing validity, reliability, and fairness issues and covers a wide range of topics such as test mode effects, subscore reporting, test-taking motivation, computerized adaptive testing, and human- and machine-scoring of essay and speech responses.
Ling has directed research projects related to a wide range of testing programs, including the GRE® test, the ETS® Major Field Tests, the HEIghten® outcomes assessment, the SAT® test, the TOEFL iBT® test, and the Programme for Assessment of Readiness for College and Careers. In addition, he has been a key contributor to multiple projects funded by the Institute for Education and the fast forward team, Skills for a New Economy. He holds a U.S. patent on the technology concerning the use of an automated scoring system to improve scoring accuracy and efficiency of speaking responses in English.
Ling has made more than 90 presentations at international and national conferences, including the International Meeting of the Psychometric Society, International Testing Commission, and American Educational Research Association. He has published more than 40 papers in peer-reviewed journals, including Nature Human Behavior, Proceedings of the National Academy of Sciences, Exceptional Children, Child Development, Educational Assessment, Assessing Writing, and International Journal of Testing. He holds a Ph.D. in psychometrics (quantitative psychology) from Fordham University.