Schwartz, R. M. (2005). Literacy learning of at-risk first-grade students in the Reading Recovery early intervention. Journal of Educational Psychology, 97(2), 257-267. This research was one of the three commended by WWC as meeting all evidence standards without reservation.
A Meta-Analysis of Reading Recovery in United States Schools. J. V. D’Agostino & J. A. Murphy (2004). Educational Evaluation and Policy Analysis, 26(1), 23-38. This analysis found strong positive effects for Reading Recovery and has been included on the U.S. Department of Education’s list of ‘Gold Standard’ findings.