All Stories

  1. Short Comparative Interrupted Time Series Using Aggregate School-Level Data in Education Research

    Article • Educational Researcher, April 2018, American Educational Research Association (AERA)

    Kelly Hallberg

  2. The Economics of Scale-Up

    Article • October 2017, National Bureau of Economic Research

    Kelly Hallberg

  3. Implications of Small Samples for Generalization: Adjustments and Rules of Thumb

    Article • Evaluation Review, July 2016, SAGE Publications

    Kelly Hallberg

  4. The Validity and Precision of the Comparative Interrupted Time-Series Design

    Article • Journal of Educational and Behavioral Statistics, June 2016, American Educational Research Association (AERA)

    Travis St.Clair, Kelly Hallberg

  5. Quasi-Experimental Designs

    Article • January 2015, Elsevier

    Kelly Hallberg

  6. Examining the Internal Validity and Statistical Precision of the Comparative Interrupted Time Series Design by Comparison With a Randomized Experiment

    Article • American Journal of Evaluation, March 2014, SAGE Publications

    Kelly Hallberg

  7. Experimental Design for Causal Inference: Clinical Trials and Regression Discontinuity Designs

    Article • March 2013, Oxford University Press (OUP)

    Kelly Hallberg