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  • Examination of the SUPPS-P impulsive behavior scale among male and female youth: Psychometrics and invariance
    Publication . Pechorro, Pedro; Revilla, Rebecca; Palma, Victor Hugo; Nunes, Cristina; Martins, Cátia; Cyders, Melissa A.
    The UPPS-P Impulsive Behavior Scale is one of the most used and easily administered self-report measures of impulsive traits. The main objective of this study was to examine the psychometric properties of the shorter SUPPS-P scale among a school sample of 470 youth (Mage = 15.89 years, SD = 1.00) from Portugal, subdivided into males (n = 257, Mage = 15.97 years, SD = 0.98) and females (n = 213, Mage = 15.79 years, SD = 1.03). Confirmatory factor analysis results revealed that the latent five-factor structure (i.e., Negative urgency, Lack of perseverance, Lack of premeditation, Sensation seeking, and Positive urgency) obtained adequate fit and strong measurement invariance demonstrated across sex. The SUPPS-P scale also demonstrated satisfactory psychometric properties in terms of internal consistency, discriminant and convergent (e.g., with measures of youth delinquency, aggression) validities, and criterion-related validity (e.g., with crime seriousness). Findings support the use of the SUPPS-P scale in youth. Given the importance of adolescence as a critical period characterized by increases in impulsive behaviors, having a short, valid, reliable, and easily administered assessment of impulsive tendencies is important and clinically impactful.
    2021-04-07Journal article Open access Show more
  • Real relationship and working alliance: their association and contribution to the outcome of psychotherapy
    Publication . Vaz, Ana Marta Vieira; Janeiro, Luís
    The real relationship and working alliance are considered sister concepts because even though they are separate constructs they are also interrelated. Both of them are considered to contribute significantly to the outcome of therapy, but there are still some questions regarding their relationship, like what contributes to their proximity? To examine the association of real relationship and working alliance across studies, and confirm their separation, we elaborated a systematic review of this two constructs. Based on the results from that study, we conducted an empirical investigation with 40 ongoing therapist-client dyads, where we evaluated how real relationship and working alliance contribute to the outcome of psychotherapy, and if that contribution was influenced by the rater’s perspective. The meta-analysis confirmed the theorized association between real relationship and working alliance, revealing an overall correlation of r = .66. The manner in which each of them contributes to outcome confirmed their differentiation. The empirical study also showed a significant correlation between real relationship and working alliance, and that the bond subscale of the Working Alliance Inventory (WAI) had an influence in this association. Overall, real relationship seemed to predict outcome beyond the working alliance, in both client and therapist’s perspectives. However, when we considered the subscales, the results depended on the perspective: for clients, genuineness was a better predictor; for therapists, realism was more important when combined with the task subscale of the WAI. The study emphasizes the need to keep the research on the concepts of real relationship and working alliance, in order to improve the therapeutic relationship and the outcome of psychotherapy.
    2021-04-07Master thesis Open access Show more