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N and consists of 21 products which might be responded to on a 4-point Likert scale. The alpha level was .81. The State-Trait Anxiousness Inventory (Spielberger, Gorsuch, Lushene, Vagg, Jacobs, 1983) comprises 40 items, that are based on a 4-point Likert scale and represent two types of anxiety: state and trait anxiety. Accordingly, scores might be derived for each state and trait anxiety, which
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