Forbes contributors publish independent expert analyses and insights. I research ad fraud and digital marketing. Many marketers think they’ve got ad fraud solved, not only because the Association of ...

More than one correlation coefficient can be computed between two variables when the data can be organized into subsets determined by one or more grouping factors. This paper discusses the ...

If a product uses power, then power consumption and power quality measurements must be made as part of product design and test. These measurements are essential to optimize product design, comply with ...

Inadequate shielding and bad grounding are often blamed when measurements are inaccurate, especially in high-impedance applications. In fact, shielding and grounding problems are frequently ...