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Psychological Sciences

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Faculty Advisor

David Cordray

Faculty Advisor

Andrew Tomarken

Contact Information


Research Area


Bachelor of Arts, Haverford College, PA                                     Major: History, Minor: Psychology

Bachelor of Science, SUNY Stony Brook, NY                             Major: Mathematics


American Educational Research Association

National Council on Measurement in Education

Graduate Student Council

United Nations Young Professionals Group

Evan Sommer

Graduate Student
Research Area: Quantitative Methods

Designing and analyzing high quality randomized controlled trials using state of the art quantitative methods

Areas of Interest:

  • Conducting and managing research across diverse subject areas (e.g., mathematics, literacy, health, obesity prevention, etc.)
  • Using quantitative methods and evaluation to analyze and synthesize large amounts of data in order to inform scientific advancement
  • Designing randomized controlled trials and analysis plans to maximize the validity and utility of results
  • Incorporating fidelity of implementation data into intervention analysis


 Keywords Interests:

  • K-12 Education Research
  • Health Research
  • Implementation Fidelity
  • Randomized Controlled Trials (RCT)
  • Research and Experimental Design
  • Data Analysis
  • Item Response Theory (IRT)
  • Latent Class and Mixture Modeling (e.g., Longitudinal Growth Curve Modeling)
  • Correlation and Regression Analysis
  • Meta-Analysis


Recent Research Topics/Field-Based Project(s):

Project: Analyzing data from two education-related studies using methodologies such as multiple regression, IRT, and multiple group mixture modeling.

Project: Conducting a meta-analysis to discover the effects of Peer-Assisted Learning Strategies Math (PALS Math) on elementary school student achievement.

Project: Experimental design, analysis, and data management for a large-scale, longitudinal RCT of a childhood obesity prevention program.

Project: Meta-analysis to explore the effects of high school restructuring on dropout rates and academic achievement.