PPWS - What does PPWS stand for? The Free Dictionary
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The participants' PPWS increased with each session, but remained lower for the blind group than for the low vision group for all conditions and throughout all sessions (see Figure 3): Session: F(2,40) = 29.
The blind group consistently showed the highest PPWS for the conditions with desk information, while the low vision group showed the highest PPWS for conditions with GIRLS route information (interaction between System and Visual Impairment: F(1,20) = 11.
stayed the same or (1994) United decreased, obstacle States SP avoidance increased; travel skills, improved; positive attitudes Blasch et al.