Sentence examples for impossible to assess whether from inspiring English sources

Again, without a cohort of men and women who might acquire an infection, it's impossible to assess whether the vaccine works.

He also said that if there were not enough protected areas within the commonwealth marine reserve network then it would be impossible to assess whether they contributed to stronger ecosystems.

Investigative experts expressed frustration at "the lack of necessary information in the medical documents," which made it impossible to assess whether the doctors who treated Mr. Magnitsky were guilty of any crime.

One limitation of the present study is that it was impossible to assess whether the residents used their own prevalence beliefs to the right extent.

However, with the vague and limited information provided, it is impossible to assess whether the security outcomes could have been achieved by using the wealth of targeted and operation-led intrusive surveillance powers at the Agencies' disposal.

In a few cases, extracts still amplified poorly and only one of the two alleles could be confirmed for some loci, making it impossible to assess whether the samples originated from one, or multiple individuals.

Because networks do not break out exact advertising figures for each individual show, it is impossible to assess accurately whether CBS is being hurt financially by the advertiser defections in "Big Brother 2".

In the absence of independent field data, it is impossible to assess accurately whether the CES makes a quantitatively important difference in terms of the share of services provided or beneficiaries attended.

He said however that it was impossible to assess with precision whether the costs of that exodus would outweigh the benefits of the higher tax yield from those who feel living in Britain matters more than avoiding tax.

Mr. Magness says that so few wells have been drilled in most eastern European countries that it is almost impossible to assess the size of the potential resources or whether they are commercially exploitable at all.

The death toll was impossible to assess.