Data collected and analyzed from approximately 50,000 teachers in North Carolina (Hirsch, 2005b) and South Carolina (Hirsch, 2005a) show powerful empirical links between teachers» working conditions and student achievement. (ascd.org)
In recent times, economists increasingly challenge the old interpretations about deflation, especially after the 2004 study by economists Andrew Atkeson and Patrick Kehoe, «Deflation and Depression: Is There an Empirical Link?» (investopedia.com)
«Establishing this empirical link between fusiform activity and dopamine binding, and linking these to a cognitive process that is highly relevant for survival in a social world, was a most exciting find.» (sciencedaily.com)