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.
Maintaining a Clean Environment. To achieve the required environmental conditions, the air in a cleanroom is purified using High Efficiency Particulate Air (HEPA) filters. Air is forced through the filters, which remove particles as small as 0.5 microns.