In the last three decades there has been an increasing emphasis on the importance of the use of fidelity assessment on improving the science of psychological, social, and behavioral research.
A cleanroom is an area or enclosure in which the air has to be cleaned to a defined particle limit, usually in particles per cubic foot. In the United States most cleanrooms are discussed in terms of Classification Limits.
A cloakroom, or sometimes coatroom, is a room for people to hang their cloaks or other outerwear when they enter a building. Cloakrooms are typically found inside large buildings, such as gymnasiums, schools, churches or meeting halls. In the UK, a cloakroom may also refer to a lavatory. The word is often thought to be derived from the French cloaque (sewer); however, it comes from the French cloque meaning traveling cloak.