Jennifer Fang, Gonghuan Yang, Xia Wan
Pro-tobacco propaganda': a case study of tobacco industry-sponsored elementary schools in China
Tobacco control
racial ethnic achievement gaps narrowed substantially 1970s 1980s gaps widened 1990s setbacks progress nation made toward racial ethnic equity article offers look surface blackwhite hispanicwhite achievement gap trends past 30 years literature review data analysis identify key factors seem contributed bifurcated patterns achievement gaps conventional measures socioeconomic family conditions youth culture student behavior schooling conditions practices might account achievement gap trends limited time period particular racial ethnic group however fully capture variations preliminary analysis covariations racial ethnic gap patterns across several large data sets implications future research achievement minority groups