Teaching
- ESL/EFL in Taiwan & the U.S.
- Taught general English, conversational English, and English for academic purposes (independent & integrated language skills)
- Conducted curriculum development, assessment development, and teacher training
- Language Testing @ Teachers College, Columbia University
- Served as TA for the course "Second Language Assessment" offered to degree students
- Taught of the course "Second Language Assessment" offered to TESOL Certificate Program students
- Statistics @ Teachers College, Columbia University
- Offered introductory workshops on SPSS, Generalizability Theory, Many-Facet Rasch Measurement, and Bayesian Networks
Language Assessment
- Assessment validation consultant for Oxford University Press (2013)
- Test Development intern at Pearson (2013, 2014)
- Item writer and item revision consultant for Second Language Testing Inc. (2014-2015)
- Test developer and rater for Teachers College Community Language Programs' placement exams (2014-2016)
- English Language Learning & Assessment intern at ETS (2015)
- English Language Learning & Assessment research fellow at ETS (2016-2017)
- Admissions associate (evaluating international students' academic English proficiency) for the School of Professional Studies, Columbia University (2018)
- External consultant for ETS (served on the ETS/UCLA Language Demands coding project) (2019)
- SAT item fairness reviewer for the College Board (2018-2021)
- Language assessment advisor for Pangea Chat (2020-2021)
- External rater for ETS (served on the ETS Young Learner Scaffolding Language Use project) (2021)
Research
- Self-regulatory capacity in English language learning scale development (2007-2009)
- Learning-oriented assessment in second language classrooms (2013-2016)
- Trends in international requests at Teachers College from 2008 to 2018 (2017-2018)
- Scenario-based assessment in second/foreign language learning contexts (2015-2017; 2019-Present)
Invited Talks/ Workshops
- “What is learning-oriented assessment?” Invited presentation at EdYOUfest Marathon, March 15, 2023.
- “Broadening measurement opportunities of L2 communicative competence using scenario-based assessment”. Invited lecture to US Foreign Service Institute staff, February 16, 2022.
- “Dissertation strategies for success.” Invited panel with Gahye Song and Misun Park at the REAL Doc Lunch and Learn event at Teachers College, Columbia University, April 24, 2019.
- “Bayesian networks 101.” Workshop for students in the Language Assessment Doctoral Seminar at Teachers College, Columbia University, New York, NY, September 13, 2016.
- “Introduction to SPSS.” Workshop for students in the Second Language Assessment course at Teachers College, Columbia University, New York, NY, March 4, 2016.
- “Introduction to SPSS.” Workshop for students in the Second Language Assessment course at Teachers College, Columbia University, New York, NY, April 8, 2015.
- “Applying many-facet Rasch analysis to the new CEP speaking test.” Workshop for participants of the Language Assessment Lab at Teachers College, Columbia University, New York, NY, March 3, 2015.
- “Investigating the construct validity of the analytic rating scale of the new CEP speaking test using generalizability theory.” Workshop for participants of the Language Assessment Lab at Teachers College, Columbia University, New York, NY, February 10, 2015.