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 ...

In everyday language, the term validity is typically used to describe something as being trustworthy or legit. It's meaning in psychology suggests something similar—it's all about whether we can trust ...

This is the second in a series of articles about impact measurement for social entrepreneurs. Social entrepreneurs who are serious about having impact or about attracting capital from sophisticated ...

Once you have a vision statement in place, find out how to choose the right indicators that will determine if you’re meeting those goals on a daily basis. To measure your company’s vision requires a ...

Gravity, one of the constants of life, not to mention physics, is less than constant when it comes to being measured. Various experiments over the years have come up with perplexingly different values ...