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Sensitivity (true positive rate) is the probability of a positive test result, conditioned on the individual truly being positive. Specificity (true negative rate) is the probability of a negative test result, conditioned on the individual truly being negative. If the true status of the condition cannot be known, sensitivity and specificity can ...
Regression discontinuity design. In statistics, econometrics, political science, epidemiology, and related disciplines, a regression discontinuity design (RDD) is a quasi-experimental pretest–posttest design that aims to determine the causal effects of interventions by assigning a cutoff or threshold above or below which an intervention is ...
Website. www .sss .gov. The Selective Service System ( SSS) is an independent agency of the United States government that maintains a database of registered U.S. citizens and other U.S. residents potentially subject to military conscription (i.e., the draft). Although the U.S. military is currently an All-Volunteer Force, registration is still ...
Test of. Cognitive skill. The Montreal Cognitive Assessment ( MoCA) is a widely used screening assessment for detecting cognitive impairment. [1] It was created in 1996 by Ziad Nasreddine in Montreal, Quebec. It was validated in the setting of mild cognitive impairment (MCI), and has subsequently been adopted in numerous other clinical settings.
Cluster points. The board usually meets after the release of K.C.S.E to determine the cut-off points to join public universities. At the beginning the cut-off point was C+ which has now risen to a mean grade of B due to the increasing number of candidates who sit for K.C.S.E. Structure
The Timed Up and Go test ( TUG) is a simple test used to assess a person's mobility and requires both static and dynamic balance. [1] It uses the time that a person takes to rise from a chair, walk three meters, turn around 180 degrees, walk back to the chair, and sit down while turning 180 degrees. During the test, the person is expected to ...
GATE results are usually declared about one month after the examinations are over. The results show the total marks scored by a candidate, the GATE score, the all-India rank (AIR) and the cut off marks for various categories in the candidate's paper. The score is valid for 3 years from the date of announcement of the GATE results.
Fractional flow reserve is defined as the pressure after (distal to) a stenosis relative to the pressure before the stenosis. [2] The result is an absolute number; an FFR of 0.80 means that a given stenosis causes a 20% drop in blood pressure. In other words, FFR expresses the maximal flow down a vessel in the presence of a stenosis compared to ...