Sentence examples for difficult study from inspiring English sources

Persuasion is famously difficult: study after study — not to mention much of world history — has shown that, when it comes to controversial subjects, people rarely change their minds, especially if those subjects are important to them.

The most frequent problems reported significantly more often by subjects who withdrew consent compared to matched retained subjects were interference with work, lack of time, complicated and cumbersome record-keeping requirements, difficult study medicine regimens, and difficulty rescheduling appointments due to lack of flexibility on the part of study personnel.

It's just a difficult study to wait that long and have that kind of data".

Researchers roundly praise Margolis for doing this difficult study, but reactions to the data and the postulated mechanism of action have been decidedly mixed.

However, this would be a difficult study to organize, given the challenge of maintaining contact with, and monitoring the mortality status of, the many individuals who came to different mines in Montana for treatment from all over the U.S. and from abroad, over many years.

"It's a difficult study to do because you have to find places that were recently engaged in mass political violence, so Gaza, West Bank, Syria, Egypt, and Northern Ireland," said the Pennsylvania State University professor in an interview before the Libya attacks.

These are difficult studies to carry out.

By 1934, Dr. Koval was in Moscow, excelling in difficult studies at the Mendeleev Institute of Chemical Technology.

These are difficult studies and the conclusions here are maybe a bit too black and white.

Belief is a fascinating and difficult subject of study for neuroscientists, psychologists, and theologians.

I look forward to their future studies on this vital, but often difficult to study, subject.