The level of cognitive skills of a nation's students has a large effect on its subsequent economic growth rate. (educationnext.org)
We used performance on 12 of these standardized tests as rough measures of the average level of cognitive skill in a given country. (educationnext.org)
The table below summarizes only the positive effects on cognitive skills and social and behavioral outcomes (the health and parenting outcomes as well as some negative effects will be discussed separately). (nationalaffairs.com)