But too often these researchers collect hair, nail, and water samples and then leave without explaining what they are doing.

Institutional researchers collect, analyze, report, and warehouse quantitative and qualitative data about their institution's students, faculty, staff, curriculum, course offerings, and learning outcomes.

Researchers collected two breath samples from 484 people, 99 of whom had already had stomach cancer diagnosed.

After the administration of the vaccine or placebo, the researchers collect data on antibody production, on health outcomes (such as illness due to the targeted infection or to another infection).