Sentence examples for it difficult to test from inspiring English sources

Containment halted the spread of the infection — a great thing — but it made it difficult to test the vaccine".

The most recent major event at the Barclays Center, a Paul McCartney show on Monday, made it difficult to test Mr. Schwartz's hipster-to-vehicle ratio.

Having only a small number of glacial/inter-glacial cycles to work with makes it difficult to test whether a plausible analogy is actually predictive.

But more significant advances have been hampered by a lack of money for research and laws and regulations that make it difficult to test new ideas and introduce improved equipment.

However, some samples agglomerated, which made it difficult to test individual microcapsules.

The build quality in general was excellent and the speed was definitely faster although the vagaries of slicing and support structures make it difficult to test the 30% claim outright.

It's difficult to test that immediately, it seems like something you may start to notice over time as content comes in faster.

We excluded the interaction term because it was not significant, and it is difficult to test effect modification by HFE genotype.

Other problems facing ANT are that it is difficult to test with empirical evidence as it is very broad and hence difficult to refute.

While it is difficult to test this relationship on a country level, it may be possible by looking at indicators of income inequality, e.g., GINI index.

It is difficult to test this model, though this does not invalidate it.