Learn how representative samples and random samples differ and why combining them minimizes sampling bias for accurate data.

Julie Young is an experienced financial writer and editor. She specializes in financial analysis in capital planning and investment management. Dr. JeFreda R. Brown is a financial consultant, ...

Perhaps you saw the headlines this weekend: “Sexting: Just About Everyone’s Doing It,” from Discovery News, or “Online survey finds 8 in 10 adults have engaged in sexting,” from CNN. Wow – that’s ...

LONDON, Nov. 11 (UPI) --Most research looking at how and why people sample information focuses on "confirmation bias," the idea that people self-select information that confirms what they already ...

Sampling is one of the most important aspects of particle size analysis. If a biased sample is analyzed, a biased particle size distribution will be recorded. The requirement for good sampling not ...