Examlex
According to the NSHHB study _______% of men reported that they had engaged in receptive anal sex in the previous year.
Primary Data
Original and direct data collected by a researcher firsthand for a specific research purpose or project.
Mechanical Methods
Pertains to procedures and techniques involving machinery or tools in processes such as manufacturing or data processing.
External Secondary Data
Information collected from outside sources that has already been gathered for some purpose other than the current research need.
U.S. Census Bureau
A principal agency of the U.S. Federal Statistical System responsible for producing data about the American people and economy.
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