"Chewing gum," they say, "had a significant and positive effect on concentration performance".
These voices have helped to bring about significant and positive change in higher education.
But in this case, a very significant and positive change did occur.
"There is no way we'd be looking at significant and positive development opportunities on the waterfront if this aquarium had not been as successful as it is.
It was an enormous pleasure to be involved in a project that continues to make such a significant and positive impact in the town.
In public, China has hailed the "significant and positive" outcome of the Copenhagen accord, which committed the world to keeping global warming below 2C.
Nevertheless, the interrelations are generally significant and positive.
Also, the estimated coefficient for vehicle_loading is significant and positive.
Such double cropping has had a significant and positive influence on regional agricultural productivity.
Moreover, child height has a significant and positive association with households' receipt of informal help.
Vermicompost also had a significant and positive effect on WSP of rock phosphate dissolution.
