Joshua D. Angrist, Eric Bettinger, Erik Bloom, Elizabeth M. King et al.
1 US studies in this mold include Green, Peterson, and Du (1996) and Rouse (1998), who evaluated a voucher lottery in Milwaukee. Rouse's estimates, which control for attrition, show modest increases in math scores among voucher recipients. Other US studies include Howell et al (2000), Myers et al (2...
Payal Modi, Justin Glavis‐Bloom, Sabiha Nasrin, Allysia Guy et al.
INTRODUCTION: Although dehydration from diarrhea is a leading cause of morbidity and mortality in children under five, existing methods of assessing dehydration status in children have limited accuracy. OBJECTIVE: To assess the accuracy of point-of-care ultrasound measurement of the aorta-to-IVC rat...
Alan J. Kuperman
Click to increase image sizeClick to decrease image size Acknowledgments The original version of this article was written in 1997. An initially revised version was presented at the 96th annual meeting of the American Political Science Association, Washington, D.C. August 31–September 3, 2000. That v...
Mamun Abdullah Al, Zijie Xu, Jun Zuo, Peng Xiao et al.
Ecological communities are normally composed of multiple interacting species. A fundamental interaction type is the trophic (feeding) interaction. As an example, blooming cyanobacteria may impact the assembly and diversity of ciliate communities in waters. However, it is unclear to what extent cyano...