106 research outputs found

    The latent structure of Wallerstein's 'Scales of psychological capacities'

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    The latent structure of a Swedish version of Wallerstein’s Scales of Psychological Capacities (PSYCAP) was tried with confirmatory (CFA) and exploratory factor analyses (EFA), based on PSYCAP ratings for 207 patients with severe psychiatric disorder. As a first step, the original theoretical model with three types of capacity (capacity to relate to self, capacity to regulate self, and capacity to relate to others) was tried with a CFA. This model had a poor fit to the data, as estimated with a number of fit measures. PSYCAP data was then entered into an EFA, which suggested an alternative model with three factors. The fit-test of this model suggested that the fit was reasonable. The three factors of the alternative model were used to compute subscales, and a satisfying reliability was established. The subscales also demonstrated adequate ability to discriminate between subjects at different levels of psychological functioning, as assessed with Kernberg’s concept of personality organization. This study provided some support to the PSYCAP as a personality measure based on an integrative theoretical model. Some of the problems with using CFA on personality data were highlighted

    Horowitz's 'Impact of event scale'. Evolution of 20 years of use

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    Objective The main objective of this meta-analysis was to model the relations between a set of independent variables (age and gender of the trauma group, country where the study was done, year of publication, type of event, time elapsed between event and measurement) and stress symptoms. Methods Data from sixty-six studies which used Horowitz’ Impact of Event Scale (IES) to examine the psychological impact of a major life-event were meta-analyzed. Results Results from hierarchical regression analysis indicated that different types of event (episodes of illness and injury, natural and technological disaster, bereavement and loss, violence, sexual abuse, and war exposure) is a strong predictor of levels of intrusive and avoidant symptoms after a traumatic event. Intrusive and avoidant reactions reported by trauma victims tended to decrease linearly over time after the trauma. This finding was supported by the results reported by 20 different studies of stress reactions at two different time-points after various events. Gender and cultural difference were relatively insignificant while type of of event induced different levels of stress reactions as measured with the IES. Conclusion These data provide evidence for the value of the IES as a measure of stress reactions in a number of different populations. Data summarized here will be useful as a comparison resource in future studies of stress response syndromes

    A Prospective Study of the Association of Metacognitive Beliefs and Processes with Persistent Emotional Distress After Diagnosis of Cancer

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    Two hundred and six patients, diagnosed with primary breast or prostate cancer completed self-report questionnaires on two occasions: before treatment (T1) and 12 months later (T2). The questionnaires included: the Hospital Anxiety and Depression Scale; Impact of Events Scale; the Metacognitions Questionnaire-30 (MCQ-30) and the Illness Perceptions Questionnaire-revised. A series of regression analyses indicated that metacognitive beliefs at T1 predicted between 14 and 19 % of the variance in symptoms of anxiety, depression and trauma at T2 after controlling for age and gender. For all three outcomes, the MCQ-30 subscale ‘negative beliefs about worry’ made the largest individual contribution with ‘cognitive confidence’ also contributing in each case. For anxiety, a third metacognitive variable, ‘positive beliefs about worry’ also predicted variance in T2 symptoms. In addition, hierarchical analyses indicated that metacognitive beliefs explained a small but significant amount of variance in T2 anxiety (2 %) and T2 depression (4 %) over and above that explained by demographic variables, T1 symptoms and T1 illness perceptions. The findings suggest that modifying metacognitive beliefs and processes has the potential to alleviate distress associated with cancer
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