"A ""quack"" is usually defined as someone who pretends to be an expert in what field?"
Expert Field Medical Badge Expert Field Medical Badge The Expert Field Medical Badge (EFMB) is a United States Army special skills badge first created on June 18, 1965. This badge is the non-combat equivalent of the Combat Medical Badge (CMB) and is awarded to U.S. military personnel and North Atlantic Treaty Organization (NATO) military personnel who successfully complete a set of qualification tests, including both written and performance portions. The EFMB is known for its adherence to its testing standards and, as such, requires strict attention to detail from candidates in order to receive a "GO" on its combat testing lanes. The pass rate
Expert has to "be able to solve" a problem and an expert has to "know its solution". The opposite of an expert is generally known as a layperson, while someone who occupies a middle grade of understanding is generally known as a technician and often employed to assist experts. A person may well be an expert in one field and a layperson in many other fields. The concepts of experts and expertise are debated within the field of epistemology under the general heading of expert knowledge. In contrast, the opposite of a specialist would be a generalist or polymath. The term