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Perceptual control theory (PCT) is a model of behavior based on the properties of negative feedback control loops. A control loop maintains a sensed variable at or near a reference value by means of the effects of its outputs upon that variable, as mediated by physical properties of the environment.
The postcoital test (PCT), also known as the Sims test, Hühner test ,Sims–Hühner test, or cervical mucous penetration assay is a test in the evaluation of infertility. The test examines interaction between sperm and mucus of the cervix .
The prism cover test (PCT) is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. [1] It is used by ophthalmologists, orthoptists, and optometrists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [ 1 ]
Patient care technician; Person-centered therapy; Porphyria cutanea tarda, the most common subtype of porphyria; Postcoital test, for infertility; Post-coital tristesse; Pragmatic clinical trial; Primary care trusts, UK NHS bodies 2001–2013; Procalcitonin, a precursor of the hormone calcitonin; Progestogen challenge test; Proximal convoluted ...
These antibodies might be proved by the postcoital test (PCT). Although the test has been declared obsolete by some authors, it has still been widely used by many gynecologists. [ 11 ] The test is performed 8–12 hours after an unprotected sexual intercourse at the estimated time of ovulation, when the cervical mucus is least viscous and thus ...
Acceptance testing of an aircraft catapult Six of the primary mirrors of the James Webb Space Telescope being prepared for acceptance testing. In engineering and its various subdisciplines, acceptance testing is a test conducted to determine if the requirements of a specification or contract are met.
Within personality psychology, personal construct theory (PCT) or personal construct psychology (PCP) is a theory of personality and cognition developed by the American psychologist George Kelly in the 1950s. [1] The theory addresses the psychological reasons for actions. [2]
Where gap is the absolute difference between the outlier in question and the closest number to it. If Q > Q table, where Q table is a reference value corresponding to the sample size and confidence level, then reject the questionable point. Note that only one point may be rejected from a data set using a Q test.