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Key control refers to various methods for making sure that certain keys are only used by authorized people. This is especially important for master key systems with many users. [ 1 ] A system of key control includes strategies for keeping track of which keys are carried by which people, as well as strategies to prevent people from giving away ...
Widely known for his "Perfect Wall" concept, Lstiburek identified four key control layers within the building envelope (bulk water, air, thermal and vapor) critical to a building's behavior, long-term performance, and viability. He is a proponent of understanding the concepts that allow older buildings to survive over time in harsh climates ...
Although in classical case–control studies, it remains true that the odds ratio can only approximate the relative risk in the case of rare diseases, there is a number of other types of studies (case–cohort, nested case–control, cohort studies) in which it was later shown that the odds ratio of exposure can be used to estimate the relative ...
Keystroke logging, often referred to as keylogging or keyboard capturing, is the action of recording (logging) the keys struck on a keyboard, [1] [2] typically covertly, so that a person using the keyboard is unaware that their actions are being monitored.
A randomized controlled trial (or randomized control trial; [2] RCT) is a form of scientific experiment used to control factors not under direct experimental control. Examples of RCTs are clinical trials that compare the effects of drugs, surgical techniques, medical devices , diagnostic procedures , diets or other medical treatments.
Wright-Patterson is also home to Air Force Materiel Command, which “conducts research, development, test and evaluation, and provides acquisition management services and logistics support ...
Unlike a standard key cylinder, which is accessible for combinating only via locking device disassembly, an interchangeable mechanism relies upon a specialized "control" key for insertion and extraction of the essential (or "core") combinating components. "Small format" interchangeable cores (SFIC) are in a figure-eight shape that is ...
Some key statistics cannot be measured, and significant biases may affect the selection of controls. [5] Researchers cannot control exposure or outcome assessment, and instead must rely on others for accurate recordkeeping. [6] When relying on individual recall of former exposure to risk variables, recall may be inaccurate and subject to biases ...