The researchers relied on the women's own reports from memory of what hormones they had taken.

In the previous studies, researchers relied on women's answers to questions, and the information may not have always been reliable.

But with only one fossil example, researchers must rely on what they know of the species and make an educated guess.

In order to research emotional responses to art, researchers often rely on behavioral data.

In third world countries, researchers have traditionally relied on permission given by local health officials and tribal or community leaders.

Both researchers are relying on similar data to derive their differing models.

These days most researchers rely on huge imaging machines that cost $700 a minute to operate.

Researchers rely on index investors to leave enough opportunity for them to make money based on their research.

In any event, other researchers relied upon my results.

The archival data, or primary sources, are typically the resources that researchers rely most heavily on.