top of page

Current and Recent Projects

Evaluation Research

Evaluation of the Transitional Living Program

  • Principal Investigator​

  • With Abt Associates, for Department of Health & Human Services

  • Pilot study for random assignment evaluation

  • Program targeted at homeless youth

​

Evaluation of Investing in Innovation (i3)

  • Task Leader for Analysis & Reporting

  • With Abt Associates, for Department of Education

  • Systematic review of evaluations of i3-funded interventions

  • Wide range of educational interventions

​

What Works Clearinghouse (WWC)​

  • Standards Development Team

  • With Mathematica Policy Research, for Department of Education

  • Revised WWC standards related to cluster designs, missing data

​

Recommendations for Evaluating the Impact of Teen and Unintended Pregnancy Prevention on Health, Social, and Economic Outcomes 

  • With the National Campaign to Prevent Teen and Unplanned Pregnancy, for Department of Health & Human Services

  • Authored chapter on random assignment designs

​

Studies on Research Methods

Site Selection Bias in Randomized Trials 

  • Lead author (with Dr. Charles Michalopoulos)

  • With MDRC

  • Testing for external validity bias when sites chosen for the study refuse to participate

  • Sub-study within the Mother and Infant Home Visiting Program Evaluation (MIHOPE)-Strong Start for the Department of Health and Human Services

​

Statistical Methods for Using Rigorous Evaluation Results to Improve Local Education Policy Decisions 

  • co-Principal Investigator (with Dr. Elizabeth Stuart)

  • With Johns Hopkins University and Abt Associates

  • Testing methods for predicting the impact of local program adoption based on results from multi-site impact evaluations

  • Grant # R305D150003 from the Institute of Education Sciences

​

Enhancing External Validity in Existing STEM Evaluations

  • co-Principal Investigator​ (with Dr. Elizabeth Stuart)

  • With Johns Hopkins University and Abt AssociatesTesting different statistical methods for reducing external validity bias from purposive site selection in multi-site impact evaluations

  • Grant # DRL-1335843 from the National Science Foundation

​

Testing Different Methods of Improving the External Validity of Impact Evaluations in Educations (completed in 2013)

  • co-Principal Investigator (with Drs. Stephen Bell and Larry Orr) 

  • With Abt Associates

  • Developed a conceptual model of external validity bias from purposive site selection and produced empirical evidence on the magnitude of the bias

  • Grant # R305D100041 from the Institute of Education Sciences

 

See PUBLICATIONS for the results of these projects 

bottom of page