This paper uses a large-scale, 10-year, longitudinal, multi-institutional, propensity-score-matched research design to compare the academic performance and persistence in science of students who participated in URE(s) with those of similar students who had no research experience. 

Hernandez, P.R., A. Woodcock, M. Estrada, and P.W. Schultz. 2018. Undergraduate research experiences broaden diversity in the scientific workforce. BioScience 68: 204–211. https://doi.org/10.1093/biosci/bix163