Jr. titled “What Works in Teaching Composition: A Meta-Analysis of Experimental Treatment Studies,”confirmed the use of models as 22% more effective than grammar worksheets in isolation:
PowerPoint slides PowerPoint slide for Fig. 1 PowerPoint slide for Fig. 2 Rights and permissions Reprints and permissions About this article Cite this article Joordens, J., d’Errico, F., Wesselingh, F. et al. Homo erectus at Trinil on Java used shells for tool production and engraving. ...
The manufacture of geometric engravings is generally interpreted as indicative of modern cognition and behaviour1. Key questions in the debate on the origin of such behaviour are whether this innovation is restricted to Homo sapiens, and whether it has a uniquely African origin1. Here we report on...