To produce high-quality cement, the mineralogical and chemical composition of raw materials, as well as of intermediate and finished products, needs to be determined. At each stage of the production ...

Understanding the differences between convenience, target, and self-selected samples. Representative samples and sampling are addressed multiple times in the cGMPs. For example, in Part 21 of the Code ...

A recent study from the MRS Representation in Research steering group found no cost penalty or negative impact on research results when inclusive parameters are included in nationally representative ...

In a recent study published in Nature Medicine, researchers created the REP-EQUITY toolbox for capturing an equitable and representative sample for health research studies. Research participants are ...

Survey researchers increasingly recognize that a single survey of the general public can rarely represent the views of small groups of Americans. Such surveys frequently have too few interviews with ...

Greg DePersio has 13+ years of professional experience in sales and SEO and 3+ years as a writer and editor. Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...