Texas Tech University

Graduate Research Assistants

Pavel P. Panko

Pavel is currently a Ph.D. student in the Educational Psychology: Research Methods,
Evaluation, Measurement and Statistics (REMS) program. He graduated from the University of Kansas with a Bachelor's degree in Psychology with a minor in Social and Behavioral Sciences Methodology. His current research interests are in Monte Carlo simulation, Structural Equation Modeling, estimation with non-normal data, model misspecification and missing data analysis.

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Esteban Montenegro

Esteban is currently a Ph.D. student in the Educational Psychology: Research Methods, Evaluation, Measurement and Statistics (REMS) program. He graduated from the University of Costa Rica in San José, Costa Rica, with a Bachelors's degree in Psychology. He obtained his Master of Education from Texas Tech University. Esteban was instructor for several universities in Costa Rica where he was also a research consultant, and he was part of several research teams at the Institute for Psychological Research in the University of Costa Rica. His current research interests are Bayesian approaches in latent variable modeling, missing data treatments and new advances in psychometrics.

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Youngha W. Oh

Youngha is currently a Ph.D. student in the Educational Psychology: Research Methods, Evaluation, Measurement and Statistics (REMS) program. She graduated from the University of Kansas with a Psychology major and Social and Behavioral Sciences Methodology minor. Her research interests are psychometrics, latent variable analysis and Bayesian statistics. She focuses primarily on the Structural Equation Modeling, Finite Mixture Modeling and Bayesian statistics.

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Luke Waggenspack

Luke WaggenspackLuke Waggenspack is currently a Ph.D. student in the Educational Psychology: Research Methods, Evaluation, Measurement and Statistics (REMS) program. He graduated from Butler University with a Bachelor's degrees in both Psychology and Spanish. His current research interests are in Latent Variable Modeling, Multilevel Analysis, and Missing Data Treatments.

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Vibhuti Gupta

Vibhuti GuptaVibhuti is currently a Ph.D. student in the department of computer science. He graduated with a Bachelor's and Master's degree in computer science from India. He has also worked in the software industry for three years as a system engineer before joining Texas Tech University. He has worked on retail and banking projects, and he has experience in software development, testing, support, and maintainence. His current research interests include big data stream analytics, social media analytics, big data stream preprocessing techniques, large scale data mining, and machine learning.

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Hyeja Kim

Heyja is currently a Ph.D. student in the Educational Psychology: Research Methods, Evaluation, Measurement and Statistics (REMS) program. 

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Seungman Kim

Seungman KimSeungman Kim is currently a Ph.D. Student in the Educational Psychology: Research Methods, Evaluation, Measurement and Statistics (REMS) program. He received his Master of Education degree from Sookmyung Woomen's Univeristy and his Bachelors of Science degree in Horticulture Science from Chungnam National Univeristy. He was a director in research institute at Ancle Inc. and also was a researcher in Korean Environment and Policy Institute. He has expertise in instructional design, developing web-based/mobile applications. His current research interests include developing measurement instruments that capture VR data, and develop and test statistical methods that analyze the VR data to address the effectiveness of VR technology in various educational settings.

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Yesil Kim

Yesil KimYesil is currently a Ph.D. Student in the Educational Psychology: Research Methods, Evaluation, Measurement and Statistics (REMS) program. She received her Master of Science degree in Human Resource Development from Sungkyunkwan Univeristy and her Bachelors of Science degree in Philosophy from Sungkyunkwan Univeristy. She was an educational consultant in an industrial area and has expertise in test and assessment for selection and development training. Her current research interests include Meta-Analysis, Meta-SEM, and Multi-level Analysis.

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Omolola A. Odejimi

Omolola is currently a Ph.D student in the Educational Psychology: Research Methods, Evaluation, Measurement and Statistics (REMS) program. Omolola received her Bachelors of Science in Psychology with a minor in Women's Studies from Portland State University (PSU). She then taught middle school and high school math to students in Chicago and Portland. Before entering REMS, Omolola took a post-baccalaureate year of advanced statistics courses at PSU. Her current research interests include educational research design, PTSD research design, multilevel analysis and multilevel CFA.

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Zachary L. Stickley

Zachary is currently a Ph.D. Student in the Educational Psychology: Research Methods, Evaluation, Measurement and Statistics (REMS) program. He received his Bachelors of Science degree in Psychology from Tarleton State University and has participated in a two-year research internship at the VISN 17 Center of Excellence for Research on Returning War Veterans located at the Doris Miller VA Medical Center in Waco, Texas. His current research interests include Measurement Validation and Methodology.

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Youngmin Kim

Youngmin KimYoungmin is currently a Ph.D. student in the Educational Psychology: Research Methods, Evaluation, Measurement and Statistics (REMS) program. He has earned both a Bachelors of Arts and Master of Arts degree in Psychology from Sungkyunkwan University in South Korea. Before coming to Texas Tech, Youngmin worked as a consultant to develop customer satisfaction index in an organization founded by the  Korean government called Korea Productivity Center. His current research interests include Big Data Analysis, Missing Data Analysis, and Longitudinal Structural Equation Modeling.

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Affiliated Graduate Students

Samuel Meeks

Samuel is a PhD. student in the Educational Psychology: Research, Evaluation, Measurement and Statistics program. He currently works as a Graduate Research Assistant in the Community, Family, and Addiction Sciences department. Sam received his Bachelors of Arts degree in Psychology from Texas Tech University. His current research interests include big data, data mining, and machine learning.

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Desiree N. Walisky

Desiree is currently a Ph.D. Student in the Educational Psychology: Research Methods, Evaluation, Measurement and Statistics program (REMS). She as an appointment as a Graduate Research Assistant for Dr. Michael D. Gomez at the Texas Tech University Health Sciences Center.

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Charles Ramey II

Charles is currently a Ph.D. Student in the Educational Psychology: Research Methods, Evaluation, Measurement and Statistics program (REMS). He has an appointment as a Gradute Teaching Assistant at the Department of Physics.

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Institute for Measurement, Methodology, Analysis & Policy