Search results
Results From The WOW.Com Content Network
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 ...
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 ...
Where s is the s-plane variable, ω is angular frequency and j is the imaginary unit.. Chebyshev filters. Sometimes other ratios are more convenient than the 3 dB point. For instance, in the case of the Chebyshev filter it is usual to define the cutoff frequency as the point after the last peak in the frequency response at which the level has fallen to the design value of the passband ripple.
Definition. Youden's J statistic is. with the two right-hand quantities being sensitivity and specificity. Thus the expanded formula is: The index was suggested by W. J. Youden in 1950 [1] as a way of summarising the performance of a diagnostic test; however, the formula was earlier published in Science by C. S. Pierce in 1884. [2] Its value ...
The snooker world rankings are the official system of ranking professional snooker players to determine automatic qualification and seeding for tournaments on the World Snooker Tour. First introduced in the 1976–77 season, world rankings are maintained by the sport's governing body, the World Professional Billiards and Snooker Association.
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 ...
Special Immigrant Juvenile Status (SIJS) (sometimes also written as Special Immigrant Juvenile (SIJ) Status) is a special way for minors currently in the United States to adjust status to that of Lawful Permanent Resident despite unauthorized entry or unlawful presence in the United States, that might usually make them inadmissible to the United States and create bars to Adjustment of Status.
t. e. The Beck Depression Inventory ( BDI, BDI-1A, BDI-II ), created by Aaron T. Beck, is a 21-question multiple-choice self-report inventory, one of the most widely used psychometric tests for measuring the severity of depression. Its development marked a shift among mental health professionals, who had until then, viewed depression from a ...