research:xin_cynthia_tong

Cynthia is now an assistant professor at the University of Virginia

Email: xtong@virginia.edu

- Bayesian methods: apply Bayesian methods to growth curve modeling, item response theory, and dynamic system analysis.
- Structural growth curve modeling: growth curve model diagnostics and robust analysis.
- Robust structural equation modeling: structural equation modeling with nonnormal and missing data.
- Longitudinal development of cognitive ability

- 2013, 2012, 2011: Departmental travel award from the Department of Psychology, University of Notre Dame.
- 2013, 2011: Student Travel Award from the Society of Multivariate Experimental Psychology to attend its annual meeting.
- 2013, 2011: Conference Presentation Grant from Graduate Student Union of the University of Notre Dame.
- 2012: Student Travel Award from the Society of Multivariate Experimental Psychology to chair the pre-conference of its annual meeting at Vancouver, BC, Canada.
- 2012 Graduate Student Professional Development Award, University of Notre Dame.

**Tong, X.**, Zhang, Z., & Yuan, K.-H. (in press). Evaluation of Test Statistics for Robust Structural Equation Modeling with Nonnormal Missing Data.*Structural Equation Modeling*.- Yuan, K.-H.,
**Tong, X.**, & Zhang, Z. (in press). Bias and efficiency for SEM with missing data and auxiliary variables: Two-Stage Robust Method versus Two-Stage ML.*Structural Equation Modeling*. - Zhang, Z., Lai, K., Lu, Z., &
**Tong, X.**(2013). Bayesian inference and application of robust growth curve models using student’s t distribution.*Structural equation modeling, 20*(1), 47-78. **Tong, X.**, & Zhang, Z. (2012). Diagnostics of robust growth curve modeling using student’s t distribution.*Multivariate Behavioral Research, 47*(4), 493-518.**Tong, X.**, Zhang, Z., & Yuan, K.-H. (2011). Evaluation of test statistics for robust structural equation modeling with non-normal missing data.*Multivariate Behavioral Research, 46*, 1016. (Abstract)- Liu, W.,
**Tong, X.**, & Lin, Y. (2011). An approximation procedure for stock prices with fractal functions.*Journal of Mathematics in Practice and Theory, 41*(2), 15-24. - Lin, Y., &
**Tong, X.**(2008). Fractal fitting research on stock prices.*Congress on Image and Signal Processing, 4*, 49-53.

- Tong, X., & Zhang, Z. (2013). gcmdiag: An R package for outlying observation diagnostics in growth curve modeling.
- Zhang, Z. and Tong, X. (2011). Online software of distribution diagnostics for robust growth curve models. Available at http://nd.psychstat.org/research/mbr2012.
- Zhang, Z., Tong, X., & Lu, Z. (2010). Online software for Bayesian estimation of robust growth curve models using Student's t distribution. Available at http://webstats.psychstat.org/semrgcm.

- Tong, X. (2013, June). Robust structural equation modeling with nonnormal/missing data. An invited talk given to the Department of Mathematics, Renmin University of China, Beijing, China.
- Yuan, K.-H., Tong, X., & Zhang, Z. (2012, July). Bias and efficiency for SEM with missing data and auxiliary variables: Robust method versus normal distribution based ML. An invited talk given at the 2nd Institute of Mathematical Statistics Asia Pacific Rim Meeting (Invited Paper Session). Tsukuba, Japan.

- Tong, X., & Zhang, Z. (2013, October). Nonparametric Bayesian modeling with applications in growth curve analysis. Poster presentation at the 11th Graduate Student Pre-conference of Annual Society of Multivariate Experimental Psychology Meeting, Tampa, FL.
- Tong, X., & Zhang, Z. (2013, July). Outlying Observation Diagnostics in Growth Curve Modeling. Paper presented at the 78th Annual Conference of Psychometric Society, Arnhem, the Netherlands.
- Tong, X., Zhang, Z., & Yuan, K.-H. (2012, May). Evaluation of test statistics for robust structural equation modeling. Paper presented at the 24th Annual Convention of Association for Psychological Science, Chicago, IL.
- Zhang, Z., Lai, K., Lu, Z., & Tong, X. (2012, May). Bayesian Robust Growth Curve Modeling Based on Student's t Distribution. Paper presented at the 24th Annual Convention of Association for Psychological Science, Chicago IL.
- Tong, X., Zhang, Z., & Yuan, K.-H. (2011, October). Evaluation of test statistics for robust SEM with non-normal missing data. Paper presented at the 9th Graduate Student Pre-conference of Annual Society of Multivariate Experimental Psychology Meeting, Norman, OK.
- Tong, X., & Zhang, Z. (2011, August). Bayesian inference for robust growth curve modeling using t distribution. Paper presented at the 119th Convention of the American Psychological Association, Washington, DC.
- Cheung, R. Y. M., Tong, X., & Shrestha, G. (2011, June). The role of social support in the relationship between family violence and suicidal tendency: a test of competing hypotheses. Paper presented at the Society of Prevention Research 2011 Annual Meeting, Washington, DC.