PVORPrecision VHF Omnidirectional Range
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Another handy use of PVOR is visual approach guidance to any runway, regardless of whether there is a published approach.
A last example of an occasion to use PVOR functionality is an alternative to the vectors-to-final mode (VTF) on an approach that features step-downs outside the FAF.
A test of concept understanding was developed and field-tested for two years (criterion validity = 0.60, S/B reliability = 0.74, and K/R reliability = 0.63.) The Purdue Visualization of Rotations (PVOR), the Group Embedded Figures Test (GEFT), and the Differential Aptitude Test: Space Relations (DAT) were administered to test mental rotation, spatial perception, and spatial visualization, respectively, to 97 non-science majors.