Presentations

• Ramezani, N. (April 2024). Statistical and Machine Learning Pipelines for Public Health Studies: Challenges and Complexities of National Studies. University of Massachusetts Lowell, Center for Health Statistics, Lowell, MA

• Ramezani, N. (Oct. 2022). Using time-series and longitudinal models in detecting/predicting suicide over time. INFORMS Annual Meetings, Indianapolis, IN.

• Ramezani, N. (Jul. 2018). Power analysis of longitudinal data using generalized method of moments: importance in mental health research. Division of Translational Research, NIMH/NIH, Rockville, MD. 

• Ramezani, N. (Apr. 2018). Longitudinal data analysis, statistical power analysis, and their application in social and behavioral sciences. UNC, Greeley, CO.

• Ramezani, N. (Oct. 2017). Statistical Power Analysis for Social and Behavioral Sciences: Application to Criminal Justice Research. Joint brown bag between Department of Criminology, Law and Society and Department of Statistics at GMU, Fairfax, VA.

• Ramezani, N., Ramezani, A. (Oct. 2016). Analyzing non-normal data with categorical response variables. Southeast SAS Users Group conference (SESUG), Bethesda, MD. 

• Ramezani, N. (Sept. 2016). How to analyze correlated and longitudinal data? A hands-on SAS workshop. Western Users of SAS Software conference (WUSS), San Francisco, CA. 

• Ramezani, N. (Aug. 2016). Non-traditional strategies of deeply effective statistics, mathematics, and science teaching. Teaching Conference, UNC, Greeley, CO.

• Lalonde, T. L., Ramezani, N. (Jun. 2015). Joint modeling of mean and dispersion with time-dependent covariates: Application to longitudinal drug usage data. Western North American Region of the International Biometric Society (WNAR), Boise, ID.

• Raheem, E. S., Ramezani, N. (Dec. 2014). What causes a photograph to be “explored” in Flickr: A predictive model using photo meta-data. International Conference on Applied Statistics: Miscellaneous Application, University of Dhaka, Dhaka, Bangladesh.

• Ramezani, N. (Sept. 2017). Modeling longitudinal and multilevel data in SAS: A hands-on SAS workshop. Western Users of SAS Software conference (WUSS), Long Beach, CA. 

• Spencer, B., Morrissey, J.E., Ramezani, N. (Apr. 2016). Using the lme4 package in R to fit hierarchical linear models. Rocky Mountain Psychological Association (RMPA) conference, Denver, CO.

• Taxman, F., Ramezani, N., Johnson, J. (Jun. 2021). Improving mental health services to reduce jail populations.

https://www.gmuace.org/webinar-improving-mental-health-services-to-reduce-jail-populations/ 

• Breno, A., Ramezani, N., Johnson, J., Taxman, F. (Jul. 2021). County level data resources, measures, and characteristics used in a nation-wide initiative.

https://www.gmuace.org/webinar-county-level-data-resources-measures-and-characteristics-used-in-a-nation-wide-initiative/ 

• Taxman, F., Ramezani, N., Amaya, M., Pearson, B. (April 2023). Is incarceration a public health issue? The JPHMP Direct (the multimedia companion site of the Journal of Public Health Management & Practice). https://jphmpdirect.com/2023/04/05/is-incarceration-a-public-health-issue-a-podcast-with-drs-faye-taxman-and-niloofar-ramezani/

• Ramezani, N., Taxman, F. (Nov. 2022). Communities, Mental Health, and Jails. The Criminology Academy. http://thecriminologyacademy.com/episode-58-ramezani-taxman/   

• Ramezani, N., Wilson, J. (Aug. 2024). Modeling correlated binary data with time-dependent covariates and feedback. Joint Statistics Meetings (JSM) conference, Portland, OR.

• Ramezani, N., Johnson, J., Taxman, F. (Oct. 2024). Missing data in high dimensional multilevel data: A hierarchical machine learning approach applied to a national behavioral health study. American Public Health Association (APHA) conference, Minneapolis, MN. 

• Ramezani, N. (June. 2024). Missing data in high dimensional multilevel data. Symposium on Data Science and statistics (SDSS) conference, Richmond, VA. 

• Ramezani, N., , Johnson, J., Taxman, F. (Nov. 2023). Missing data in survey research: A multi-layer machine learning approach. American Public Health Association conference (APHA), Atlanta, GA. 

• Ramezani, N., Thurman, T., Johnson, J., Taxman, F. (Nov. 2022). Missing Data in Survey Research: Techniques to handle data not missing at random. American Public Health Association conference (APHA), Boston, MA.

• Ramezani, N., Traxler, K. (Aug. 2022). Addressing the Challenges of Assessing Forecasting and Time Series Methods Using COVID-19 Pandemic-Era Data. Joint Statistics Meetings conference (JSM), Washington DC.

• Ramezani, N., Breno, A., Taxman, F., Johnson, J. (Nov. 2021). Factors Influencing U.S. Counties Participation in Reducing Jail Population with Mental Illness Based on Their Level of Mental Health Service Shortage. American Society of Criminology (ASC), Chicago, IL.

• Ramezani, N., Breno, A., Cuellar, A., Johnson, J., Taxman, F. (Oct. 2021). Determinants of county efforts in reducing mentally ill jail population in areas with medical and mental health service shortage. American Public Health Association conference (APHA), Denver, CO.

• Ramezani, N., Johnson, J., Taxman, F. (Oct. 2021). A comparison of multilevel and single-level models in a study of county-level efforts to reduce jail populations with mental illness. American Public Health Association conference (APHA), Denver, CO.

• Ramezani, N., Breno, A., Viglione, J., Johnson, J., Taxman, F. (Jul. 2021). Modeling Proportion Data: A Comparison of Beta and Logistic Models. Joint Statistics Meetings conference (JSM), Virtual.

• Ramezani, N., Slawski, M., Petricoin, E., Clark, D., and Schully, K. (Nov. 2019). A longitudinal study of signaling in the peripheral blood cells to model survival of sepsis patients. American Public Health Association conference (APHA), Philadelphia, PA. 

• Ramezani, N. (Jul. 2019). Statistical modeling and inference for infectious disease dynamics: A time-series approach. Joint Statistics Meetings conference (JSM), Denver, CO.

• Ramezani, N., Gittner, K. (Apr. 2018). Confirmatory factor analysis in SAS: application to public administration. SAS Global Forum conference (SASGF), Denver, CO.

• Ramezani, N. (Nov. 2017). Power analysis of longitudinal data with time-dependent covariates: application to osteoarthritis initiative longitudinal data. American Public Health Association conference (APHA), Atlanta, GA. 

• Ramezani, N., Ramezani, A. (Sept. 2017). Analyzing categorical and ordinal data in the presence of missing data: application to length of stay in social and biomedical studies. Western Users of SAS Software conference (WUSS), Long beach, CA. 

• Ramezani, N., Duck, K., Brown, A., Floren, M., Hinerman, K., Lalonde, T. (Aug. 2017). Longitudinal modeling in applied research: Implications for improving practice. Joint Statistics Meetings conference (JSM), Baltimore, MD. 

• Ramezani, N. (Apr. 2017). Analyzing correlated data in SAS. SAS Global Forum Conference (SASGF), Orlando, FL.  

• Hinerman, K., Lalonde, T., Ramezani, N., Duck, K., Floren, M., Brown, A. (Mar. 2017). Methodological considerations of longitudinal modeling in applied educational research: Implications for improving practice. Society for Research on Educational Effectiveness (SREE) conference, Washington, DC. 

• Ramezani, N. (Nov. 2016). Joint modeling of mean and dispersion: application to osteoarthritis initiative longitudinal data. American Public Health Association conference (APHA), Denver, CO.

• Ramezani, N. (Aug. 2016). Power analysis for longitudinal data. Joint Statistics Meetings conference (JSM), Chicago, IL. 

• Ramezani, N., Traxler, K. (Apr. 2016). Ordinal models for predicting time related response variables. American Educational Research Association conference (AERA), Washington, DC.

• Ramezani, N. (Apr. 2016). Analyzing non-normal binomial and categorical response variables under varying data conditions. SAS Global Forum Conference (SASGF), Las Vegas, NV. 

• Ramezani, N. (Nov. 2015). Comparison of ordinal multinomial models with missing data: Application to length of stay in mental health healing community. American Public Health Association conference (APHA), Chicago, IL.

• Ramezani, N. (Aug. 2015). Approaches for missing data in ordinal multinomial models. Joint Statistics Meetings conference (JSM), Seattle, WA.

• Ramezani, N. (Aug. 2014). Comparison of survival analysis and logistic regression for correlated data. Joint Statistics Meetings conference (JSM), Boston, MA.

• Ramezani, N. (Jan. 2014). The effect of early high school mathematics achievement on public schools' students' college ready performance in Texas. Joint Mathematics Meetings (JMM), Baltimore, MD.

• Punjala, A.*, Vudatha, V., Bandy, V., Gergoudis, M., Ramezani, N., Leopoldo, F., Bottinor, W., & Trevino, J. (Apr. 2025). Cardiovascular Disparities Amongst Pancreatic Ductal Adenocarcinoma Patients. American Association for Cancer Research Conference (VPHA), Chicago, IL.

• Shakeshaft, C.*, Carlyle, K., E., Conley, A., Ramezani, N., Oyefuga, E., Lefeavers, S., Russo, J., & Smilde, A. (Apr. 2025). Evaluating Child Sexual Abuse (CSA) Prevention in Schools: The Impact of Leadership, Policies, and Training. AERA conference, Denver, CO.

• Oyefuga, E.*, Lefeavers, S., Russo, J., Conley, A., Shakeshaft, C., Carlyle, K., E., Ramezani, N., Kitching, E., & Smilde, A. (Apr. 2025). School Employee Sexual Misconduct: A Prevention Model. AERA conference, Denver, CO.  

• Shakeshaft, C., Carlyle, K., Conley, A. H., Russo, J., Lefeavers, S., Kitching, E., Ramezani, N., Smilde, A., & Oyefuga, E.* (Feb. 2025). Preventing educator sexual misconduct in schools: A leadership perspective. 2025 Leading Change Conference, James Madison University, Harrisonburg, VA

• Kubik, M. Y.*, Ramezani, N. (Oct. 2024). Physical activity and change in systolic blood pressure among black older adults who access community dining sites. APHA conference, Minneapolis, MN. 

• Russo, J.*, Ramezani, N., Lefeavers, S., Oyefuga, Carlyle, K., E., Shakeshaft, C., Conley, A., Kitching, E., & Oritz, A. (Oct. 2024). Praesidium’s Safety Equation: Immediate Posttest Results of An Educator Sexual Misconduct Prevention Training. APHA conference, Minneapolis, MN. 

• Russo, J.*, Lefeavers, S., Carlyle, K., Oyefuga, E., Conley, A., Ramezani, N., Shakeshaft, C., Kitching, E., & Ortiz, A. (Sep. 2024). Rebuilding trust in school officials: Impact on educator reports of boundary crossing and sexual misconduct. Virginia Public Health Association Annual Conference (VPHA), Richmond, VA.

• Lefeavers, S.*, Russo, J., Carlyle, K., Oyefuga, E., Conley, A., Ramezani, N., Shakeshaft, C., Kitching, E., Ortiz, A. (Sep. 2024). Attitudes towards educator sexual misconduct and reporting intentions among k-12 school employees. VPHA Conference, Richmond, VA.

• Kubik, M. Y.*, Ramezani, N., Biddle, M., & Thapa, A. Evaluation of an academic-practice partnership between nursing schools and federally-funded community dining sites serving seniors at risk for health disparities: ageWELL Proof of Concept Study. State of the Science Congress on Nursing Research Conference (Jun. 2024), Washington, DC.

• Mackey, B. J.*, Johnson, J. E., Ramezani, N., Hailemariam, M., Rosen, R. K., Thurman, T., Viglione, J., & Taxman, F. S. (Apr. 2024). Developing interagency collaboration among criminal justice and behavioral health agencies: Evidence from a nationwide mixed-methods study. 17th Annual Academic Consortium on Criminal Justice Health Conference, Phoenix, AZ.

• Shakeshaft, Carlyle, K., Oyefuga, E., Oritz, A., Conley, A., C. Russo, J.*, Lefeavers, S., Kitching, E., Ramezani, N., Smilde, A., & Anderson, A. (Apr. 2024). Child Sexual Abuse (CSA) Prevention: A Review of Findings from Interviews with K-12 School Administrators. AERA Conference, Philadelphia, PA.

• Russo, J.*, Lefeavers, S., Conley, A., Oyefuga, E., Ramezani, N., Kitching, E., Oritz, A., Carlyle, K., & Shakeshaft, C. (Mar. 2024). Praesidium’s Safety Equation: Immediate Posttest Results of An Educator Sexual Misconduct Prevention Training. Society of Behavioral Medicine Conference, Philadelphia, PA.

• Viglione, J.*, Ramezani, N., Thurman, T., Johnson, J.S., & Taxman, F.S. (2023) Examination of the Stepping Up Initiative: Implementation Mechanisms and Outcomes to Improve Behavioral Health Services for Justice-Involved Individuals. Addiction Health Services Research Conference, New York, NY.

• Khoshhal, B.*, Karon, S., Rossheim, M.E., Cheskin, L.J., Trangenstein, P.J., Frankenfeld, C.L., Ramezani, N., & Cuellar, A.E. (Jun. 2022). Substance Use and Firearm Access Among College Freshmen. Society for Epidemiologic Research (SER), Chicago, IL. 

• Khoshhal, B.*, Karon, S., Rossheim, M.E., Cheskin, L.J., Trangenstein, P.J., Frankenfeld, C.L., Ramezani, N., & Cuellar, A.E. (Mar. 2022). Substance Use and Rapid Access to Firearm Among College Freshmen. Virginia Public Health Association (VPHA), Blacksburg, VA. 

• Hinerman, K.*, Lalonde, T., Ramezani, N., Duck, K., Floren, M., Brown, A. (Mar. 2017). Methodological considerations of longitudinal modeling in applied educational research: Implications for improving practice. Society for Research on Educational Effectiveness conference (SREE), Washington, DC. 

• Traxler, K.*, Ramezani, N. (Aug. 2016). Missing data approaches in categorical latent growth and multilevel proportional odds models. Joint Statistics Meetings conference (JSM), Chicago, IL. 

• Raheem, E. S.*, Ramezani, N. (Aug. 2015). Getting your photo explored on Flickr: A predictive model using photo metadata. Joint Statistics Meetings conference (JSM), Seattle, WA. 

• Spencer, B.*, Ramezani, N. (Apr. 2015). A Monte Carlo simulation of the intraclass correlation in hierarchical linear modeling with missing data. American Educational Research Association conference (AERA), Chicago, IL. 

*presented by the first author