Biological samples can be highly susceptible to changes over time, which often occur when they are removed from deep refrigeration. Degraded samples can produce spurious results in research. To ...

Historically, public opinion surveys have relied on the ability to adjust their datasets using a core set of demographics – sex, age, race and ethnicity, educational attainment, and geographic region ...

Scientific research has a long history of using well-established, well documented, and validated methods for the design, conduct, and analysis of clinical trials. A study design that is considered ...

Power analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required sample size for ...

July 11 (UPI) --On the sprawling Mayo Clinic campus in Minnesota, a 60,000-square foot-building houses one of the most important projects of the esteemed 154-year-old medical institution. Eventually, ...