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.
an act or instance of making clean: Give the house a good cleaning. 2. Slang. an overwhelming or complete defeat, financial loss, or failure: Our team took a cleaning in yesterday's game. 3. Informal. killing (def 3).