Katie Byrd
Email: ksippel@usc.edu
Advisor: Richard John
Research Interests: Judgement and decision making, risk perception, and fake news related to extreme events such as natural disasters, terrorist events, and pandemics; Improving research literacy related to health information through podcast based interventions
![](https://dornsife.usc.edu/psyc/wp-content/uploads/sites/81/2023/03/kb-300x432.jpeg)
Kevin Kapadia
Email: kevinkap@usc.edu
Advisor: Richard John
Research Interests: Risk analysis, Decision analysis, Protecting soft targets, Behavioral measures of risk taking
![](https://dornsife.usc.edu/psyc/wp-content/uploads/sites/81/2023/03/kk-1.jpeg)
Sean Lee
Email: hanbyull@usc.edu
Advisor: Rand Wilcox
Research Interests: Robust measures, nonparametric methods
![](https://dornsife.usc.edu/psyc/wp-content/uploads/sites/81/2024/03/Sean-1-1-1-450x432.jpg)
Meltem Ozcan
Email: ozcan@usc.edu
Advisor: Hok Chio (Mark) Lai
Research Interests: Psychometrics, measurement invariance, Bayesian statistics, multilevel modeling, machine learning, NLP
![](https://dornsife.usc.edu/psyc/wp-content/uploads/sites/81/2023/03/mo.jpeg)
Winnie Wing-Yee Tse
Email: wingyeet@usc.edu
Advisor: Hok Chio (Mark) Lai
Research Interests: Multilevel modeling, structural equation modeling, sample size planning for multilevel studies, measurement invariance for scales with order-categorical indicators, multilevel regression and poststratification for natural language processing research
![](https://dornsife.usc.edu/psyc/wp-content/uploads/sites/81/2023/03/ww.jpeg)
Lai Xu
Email: laixu@usc.edu
Advisor: Rand Wilcox
Research Interests: Robust Statistical Methods, particularly in comparing groups, contamination bias
![](https://dornsife.usc.edu/psyc/wp-content/uploads/sites/81/2023/03/lx.jpeg)
Gengrui (Jimmy) Zhang
Email: gengruiz@usc.edu
Advisor: Hok Choi (Mark) Lai
Research Interests: Structural equation modeling, measurement invariance, meta-analysis
![](https://dornsife.usc.edu/psyc/wp-content/uploads/sites/81/2023/03/gz.jpeg)
Yichi Zhang
Email: yzhang97@usc.edu
Advisor: Hok Chio (Mark) Lai, Rand Wilcox
Research Interests: Measurement invariance, multilevel modeling, equivalence testing, robust methods
![](https://dornsife.usc.edu/psyc/wp-content/uploads/sites/81/2023/03/yz.jpeg)