Emotional vulnerability was measured with the eight items of the nervousness scale of the psychosocial maturity questionnaire (Greenberger et al., 1975; Garcia and Serra, 2019). This dimension refers to the degree of emotional stability of the person in terms of anxiety and/or tension (e.g., “My mood changes easily,” “I am usually tense, nervous, and anxious”). The Likert-type response scale ranges from 1 (strongly disagree) to 5 (strongly agree). High scores indicate a high degree of emotional vulnerability. The alpha value was 0.779.
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