I think there is a very high degree of confidence in the reconstructions of past sea levels, there will be other explanations for any recently (< 6000 yrs) submerged villages. (illconsidered.blogspot.ru)
Still, this means we have a very high degree of confidence that the real effect is larger than zero. (educationnext.org)
In other words, there is a very high degree of confidence that investors will benefit from focusing on these particular factors. (ifa.com)