This article reports on an investigation into the bilingual development of literacy skills in Portuguese heritage language speakers in Switzerland in which we sought to put Cummins' linguistic interdependence hypothesis to the test. Three predictions were derived from this hypothesis: (1) Literacy skill levels in one of the bilinguals' languages…

Even a quick glance at international data reveals something troubling: There is an increasing economic and educational gap between Africa and the rest of the world. If we look just a bit deeper, we find that economic and educational stagnation may simply be the inevitable outcomes of broad educational failure for millions of rural African…