Kelly Hallberg

Improving the Use of Aggregate Longitudinal Data on School Performance to Assess Program Effectiveness: Evidence from Three Within Study Comparisons

Ryan T. Williams, Kelly Hallberg, Andrew Swanlund, 2020 .

The Economics of Scale-Up

Jens Ludwig, Kelly Hallberg, Jonathan Guryan, 2017 .

Assessing the Validity of Comparative Interrupted Time Series Designs and Practice: Lessons from Two within Study Comparisons

Kelly Hallberg, 2015 .

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

Thomas D. Cook, Kelly Hallberg, Travis St.Clair, 2014 .

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

Elizabeth Tipton, Kelly Hallberg, Larry V Hedges, 2017, Evaluation review.

Improving the Performance of Quasi-Experimental Designs: Bias and Precision in Evidence-Based Policy Studies

Kelly Hallberg, 2015 .