The researchers can spend no longer than five minutes with a caller, and neither side can call back during the research process.

Before the computer era, researchers often spent days in courthouses looking through property records.

He said the researchers had spent months answering concerns of the reviewers.

Few researchers have spent prolonged periods inside elementary school classrooms, observing the use of computers there.

Many researchers spend their life's work in pursuit of theories that later prove inaccurate.

Scientists and researchers - even those who work for the government - should spend their time doing what they do best.

Many senior researchers (such as group leaders) spend a significant amount of their time applying for grants for research funds.

Reviewing the literature Every researcher, of whatever status, should spend time reading what other people have written about the area in which they are interested.

Military researchers have spent years developing sophisticated models designed to identify the catalysts for espionage.

Then the researchers spent five years measuring how different variables impacted the group's and individuals' productivity.