Acknowledgements
The authors would like to thank the children, teachers, parents, and administrators at the two project sites for their generous cooperation with our research, as well as our team of Intervention Specialists. We would also like to thank our collaborators for their assistance with the design, imple-mentation, and analysis of the full project on which this paper is based: Molly Fuller Collins, Elizabeth B.Hadley,KimberlyT.Nesbitt,andBrettaL.Rivera.TheComprehensionmeasurewascreatedbyHilary Miller and Sujeet Ranganathan at the University of Delaware. Thanks also to Andrea Nuschke for her assistanceincoordinatingandimplementingtheintervention.ThisprojectwasfundedbytheInstitute of Education Sciences (grant #R305A110128).