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.
Definition of clean. 1  transitive verb. 2  1a : to make clean: such as (1) : to rid of dirt, impurities, or extraneous matter clean a wound (2) : to rid of corruption vowing to clean up city hallb : remove, eradicate âusually used with up or off clean up that mess.