Search results for "screening tests"

Some issues concerning the statistical evaluation of a screening test: the ARFI ultrasound case

2013

In this paper we analyze some issues concerning the statistical evaluation of a screening test for classification. The case study is ARFI, an ultrasound device recently introduced, and used for the evaluation of liver fibrosis. First, we present a simple statistical evaluation based on a novel index that compare two competitors with respect to a gold standard, and then we propose a procedure that determines a table with the “acceptable” number of measurements to get an “accurate” diagnosis using the ARFI device.

Re: Clinical implementation of routine screening for fetal trisomies in the UK NHS: cell-free DNA test contingent on results from first-trimester com…

2016

Test R-W jako trafne narzędzie w badaniach przesiewowych z zakresu psychologii pracy

2018

The R-W test is a tool examining the speed and accuracy of thinking used in labor psychology. It is described as a tool „filled with the intellectual component”, however, there is no validation data in the literature confirming that the R-W test exam some aspect of intellectual abilities. To fill this gap, validation studies were conducted. In the fi rst one, conducted on a group of drivers (N=105), the R-W test relationship with the complex reaction time, attention, as well as the participants level of education were revealed. In study 2 conducted on a group of students (N=150) the relationship between the R-W test and fl uid intelligence, perceptivity and attention, as well as anxiety as …