In the analysis of regions, researchers have tended to deal separately with a region's economy and with its population.

However, recent researchers in the United States tend to use the term "blended learning" with more regularity.

Another, he stresses, was that medical researchers tended to resist interference with their professional autonomy.

Serious researchers tend to ignore the last three options, because there is not enough evidence to support them.

"In the past, researchers have tended to concentrate on one or another" factor, she said in an interview.

Sloan-Kettering researchers tended to stay on and on; almost nobody was dismissed.

Even researchers, he knew, tended to vacate their labs by five on a Friday evening.

Although researchers tend to look first to economic values of the community.

Thus to ensure valid results, a researcher may tend to use self-reports along with another form of measurement mentioned above.

He also notes, as do other researchers, that the survivors, perhaps understandably, tend to be overprotective parents.