The distinctive characteristic of schools with superior evaluation systems is that their leaders can identify practices that they have stopped doing because their evaluations found insufficient evidence of effectiveness. (ascd.org)
They also found insufficient evidence to back up the claim that whole - fat dairy contributes to diabetes or heart disease. (dailyburn.com)
In relation to three of the remaining suspects, I have concluded that there is insufficient evidence for there to be a realistic prospect of conviction. (politics.co.uk)