"The cumulative effect was enough to make people change their views."
They all have their own individual reasons, but the cumulative effect is the same.
"I think it was a collection of everything together, and that had a cumulative effect."
But some say the possible cumulative effect is exactly the point.
"We don't know what will be the cumulative effect of the development that already has been built."
Each incident is less important in itself than as part of a cumulative effect.
More likely, he said, was that the calls had a cumulative effect.
But the cumulative effect of such orders can be high.
Maybe all these new patterns and activities were having some kind of cumulative effect.
The cumulative effect of this debate is hard to judge.