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.
cleanÂ·er. n. 1. One whose work or business is cleaning. 2. A machine or substance used in cleaning. 3. often cleaners A dry-cleaning establishment: dropped off the stained shirt at the cleaners.