Sentence examples for it's difficult to devise from inspiring English sources

Good, careful, and controlled field experiments are a relative rarity in political science; it's difficult to devise and execute rigorous studies outside of the laboratory.

There are still complaints that it is difficult to devise a survey that is appropriate for every institution.

In fact, the recommendations on calcium are now so high that it is difficult to devise practical diets that meet them.

Unfortunately, if you are not already holding such stocks, it is difficult to devise a trading strategy to profit from the seasonal pattern.

The truth is that it is difficult to devise a credible plan not merely to boost the lowest wages (a thorny enough problem) but to win a rise for the bulk of the workforce.

Results: Because applicability depends on the specific questions and needs of the users, it is difficult to devise a valid uniform scale for rating the overall applicability of individual studies or body of evidence.

When comparing the performance of different compression methods, it is difficult to devise a comparison strategy between different compression methods that allows easy predictions since lossy compression performance and accuracy are in general highly data dependent.

Because the available file formats are proprietary, have limitations on the features they can reliably show, and use different atom labelling schemes from crystallographic programs, it is difficult to devise automated validation procedures, such as those in place for the crystallography.

TERC was excluded because it is constituted wholly by RNA, and consequently it was difficult to devise primers including the intron region.

Without knowledge of the causes of stigma and discrimination associated with TB, it is difficult to devise discrimination-reduction strategies that are likely to work.

While it is difficult to devise a statistical test for such a situation, biological intuition suggests that these may be meaningful.