This study explores the effects of school-level characteristics on North Carolina students’ reading and math achievement from fourth through eighth grade, focusing on the relationships between achievement and the racial and poverty composition of schools.After creating race-by-poverty cohorts of schools, I use multilevel models to examine
Tidal disruption events (TDEs) offer a Chair unique way to study dormant black holes.While the number of observed TDEs has grown thanks to the emergence of wide-field surveys in the past few decades, questions regarding the nature of the observed optical, UV, and X-ray emission remain.We present a uniformly selected sample of 30 spectroscopically c
As global environmental change accelerates, biodiversity losses can disrupt interspecific interactions.Extinctions of mutualist partners can create "widow" species, which may face reduced ecological fitness.Hypothetically, such mutualism disruptions could have cascading effects on biodiversity by causing additional species coextinctions.However, th
Abstract This study was conducted under cold temperate climate condition in Khorasan during 2006-2008 growing season to determine the suitable preceding crop, nitrogen and crop residue management for wheat.A randomized complete block design in split-split plot arrangement with three replicates was used.Main plots were rotation with five different c
Background In the face of the serious challenges posed by the high prevalence of chronic diseases among the elderly and the coexistence of multiple chronic diseases, the health problems of community-dwelling elderly people' with multimorbidity require urgent attention.The comorbidity management model is being explored and practiced.Disease exp