Artisanal and Small-Scale Mining - World Bank GroupNov 21, 2013 . Artisanal and Small-Scale Mining occurs in approximately 80 . Research has shown how artisanal mining assists rural s in . Environmental impacts of mining methods—such as clear-cutting . Some indicators of achievement included: . Student Academic/Professor Government Employeesample research on effects of smale scale mining on academic performance of students,Effects of Small-Group Learning on Undergraduates in Science .Published by: American Educational Research Association .. This meta-analysis of research on college students in SMET is intended to facilitate a greater .. For two-sample analyses, we calculated the effect size by subtracting the control . small-group learning on achievement based on independent samples within a.
sample research on effects of smale scale mining on academic performance of students