“…We used the trait portion of the state-trait-anxiety inventory (STAI-T) (Spielberger, Gorsuch, & Lushene, 1970). This is a widely used and reliable measure of anxiety (Barnes, Harp, & Jung, 2002). The questionnaire consists of 20 items, which participants answer by choosing (1) almost never, (2) sometimes, (3) often, or (4) almost always, with nine of the items reverse-scored.…”