737 research outputs found

    The impact of war experiences and physical abuse on formely abducted boys in northern Uganda

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    No Abstract.South African Psychiatry Review Vol. 10 (2) 2007: pp.76-8

    Cognitive coping, goal adjustment, and depressive and anxiety symptoms in people undergoing infertility treatment:a prospective study

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    The relationships between cognitive coping strategies, goal adjustment, and symptoms of depression and anxiety were studied in people with fertility problems. Both cross-sectional and prospective relationships were studied in a sample of 313 patients attending an infertility clinic. Self-report questionnaires were filled out at home. Positive refocusing, rumination and catastrophizing, and goal reengagement were related to symptoms of depression and anxiety. When looking at the long-term effects, rumination and catastrophizing were also related to emotional problems nine months later. These findings suggest that intervention programs should focus on cognitive coping strategies and goal-based processe

    Effect of Temperature on Flow-Induced Crystallization of Isotactic Polypropylene:A Molecular-Dynamics Study

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    Molecular-dynamics simulations are employed in order to study the flow-induced crystallization (FIC) of isotactic polypropylene from a supercooled state at different temperatures. The study found that FIC displayed the highest rate at a temperature range of Tmax = 330-360 K. By applying the mean first passage time method, the pre-nucleation, nucleation, and growth stages were successfully identified. The pre-nucleation stage was thoroughly examined, and multiple phenomena were observed, including unexpected strain hardening in the vicinity of Tmax and the formation of high ordering areas that acted as nuclei precursors with limited motion along the tensile direction. Additionally, a non-uniformly slowed segmental relaxation was noted, which suggested the existence of cooperative rearranging regions, the percolation of which could potentially explain the strain hardening effect. Furthermore, the size of the critical clusters at the nucleation point was independent of temperature. Finally, stable clusters grew and merged, resulting in the formation of a shish network.</p

    Effect of Temperature on Flow-Induced Crystallization of Isotactic Polypropylene:A Molecular-Dynamics Study

    Get PDF
    Molecular-dynamics simulations are employed in order to study the flow-induced crystallization (FIC) of isotactic polypropylene from a supercooled state at different temperatures. The study found that FIC displayed the highest rate at a temperature range of Tmax = 330-360 K. By applying the mean first passage time method, the pre-nucleation, nucleation, and growth stages were successfully identified. The pre-nucleation stage was thoroughly examined, and multiple phenomena were observed, including unexpected strain hardening in the vicinity of Tmax and the formation of high ordering areas that acted as nuclei precursors with limited motion along the tensile direction. Additionally, a non-uniformly slowed segmental relaxation was noted, which suggested the existence of cooperative rearranging regions, the percolation of which could potentially explain the strain hardening effect. Furthermore, the size of the critical clusters at the nucleation point was independent of temperature. Finally, stable clusters grew and merged, resulting in the formation of a shish network.</p

    The Self-Compassionate Coping Measure (4 items): Psychometric features and relationships with depression and anxiety in adults

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    Self-compassion refers to a positive, kind attitude of a person toward oneself when confronted with difficulties. A self-compassionate coping style may buffer against the development of psychological problems. Aim was to introduce a new, 4-item measure for Self-compassion and to test its psychometric properties. In addition, its relationships with Neff’s Self Compassion Scale (SCS) and with the HADS depression and anxiety scales were studied, in an adult general population sample. The results showed that the SCCM had a high reliability, confirming internal validity. In addition, the SCCM was strongly related to all subscales and total score of the SCS, suggesting construct validity. Finally, also strong relationships were found with symptoms of depression and anxiety, suggesting criterion validity. The SCCM might therefore be considered a valuable and reliable tool in the study of self-compassion associated with mental-health problems, while it also might provide us with targets for intervention.Stress and Psychopatholog
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