“…Alterations in height have also been used to manipulate anxiety levels, relying on individual's fear of falling and the presence of real physical danger to elicit negative affective states (Spielberger, 1966). These studies have examined the anxiety -performance relationship (Pijpers, Oudejans, Holsheimer, & Bakker, 2003), the affect of anxiety on visual attention (Nieuwenhuys, Pijpers, Oudejans, & Bakker, 2008), anxiety-induced changes in movement in a whole body task and the role of anxiety in perceiving and realising affordances (Pijpers, Oudejans, Bakker, & Beek, 2006). 2.1.2.…”