But it's almost impossible to isolate one or two causes.
Byzantine chains of accountability made it almost impossible to isolate problems and fix them.
As a result of this structure it is almost impossible to isolate all the connections.
Mr. Shamley explained that several ownership changes make it impossible to isolate the financial effects of designs.
The Calders were disassembled and moved; the seashell was impossible to isolate in its crate without marring its surface.
But crime statistics experts acknowledge it is nearly impossible to isolate the impact of the threat of the death penalty on crime rates.
With so many imponderables affecting investments, he added, "it's simply impossible to isolate the effect of performance fees from the effect of other variables".
Because of the range of work currently cropping up throughout Spain, Mr. Riley said, it is almost impossible to isolate any single aesthetic trend.
At the heart of the problem is that it is impossible to isolate one part of economic policy and run a "control" as in a proper scientific experiment.
The bundle of operations within which the studio was sold changed over the years, making it virtually impossible to isolate its exact value.
Reliable statistics about drug rehabilitation as a whole are hard to come by, and are near impossible to isolate for the luxury-level rehab programs that attract so much attention in the news media.
