In the North Carolina data, I find there is a very slight tendency to place more students in the classes of effective teachers; but still only about 25 percent of students are taught by the top 25 percent of teachers. (caldercenter.org)
Entrepreneurial types do have a slight tendency toward egocentrism and individual thinking, but in the right environment, a team of cooperative entrepreneurs is a virtually unstoppable force. (inc.com)
The results show that it has been relatively flat with, if anything, a slight tendency to decline. (rba.gov.au)