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  • 11
    Online-Ressource
    Online-Ressource
    Springer Science and Business Media LLC ; 2016
    In:  International Journal of Behavioral Medicine Vol. 23, No. 5 ( 2016-10), p. 595-605
    In: International Journal of Behavioral Medicine, Springer Science and Business Media LLC, Vol. 23, No. 5 ( 2016-10), p. 595-605
    Materialart: Online-Ressource
    ISSN: 1070-5503 , 1532-7558
    Sprache: Englisch
    Verlag: Springer Science and Business Media LLC
    Publikationsdatum: 2016
    ZDB Id: 2027575-4
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 12
    Online-Ressource
    Online-Ressource
    Elsevier BV ; 2020
    In:  Addictive Behaviors Reports Vol. 12 ( 2020-12), p. 100297-
    In: Addictive Behaviors Reports, Elsevier BV, Vol. 12 ( 2020-12), p. 100297-
    Materialart: Online-Ressource
    ISSN: 2352-8532
    Sprache: Englisch
    Verlag: Elsevier BV
    Publikationsdatum: 2020
    ZDB Id: 2831558-3
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 13
    Online-Ressource
    Online-Ressource
    Springer Science and Business Media LLC ; 2022
    In:  Education and Information Technologies Vol. 27, No. 3 ( 2022-04), p. 3965-3980
    In: Education and Information Technologies, Springer Science and Business Media LLC, Vol. 27, No. 3 ( 2022-04), p. 3965-3980
    Kurzfassung: In this study, we investigated whether the use of smartphone games while reading a text reduces learning performance or reading speed. We also examined whether this is affected by push notifications. Ninety-three students were randomly assigned to three learning conditions. In the gaming group (G), participants played a game app for 20 s at 2-min intervals while reading. In one subgroup, the game app sent push notifications (GN+); in the other subgroup, no notifications (GN−) were sent. In the control group (C), participants did not play a game. After the reading, participants took a multiple-choice quiz. We compared quiz scores and reading times of the groups (G) and (C) and within the gaming group (GN+, GN−) and observed no differences. Since the statistical non-significance of these tests does not entail the absence of an effect, we conducted equivalence tests, which did not demonstrate equivalence either. The experiment ensured high internal validity, yet remained inconclusive. Reasons for the similarity of performance in all groups could be non-specific exercise effects (all participants owned a smartphone), low similarity between the tasks, low variance of participants’ ability and motivation (high achieving, low ADHD scores) or low game complexity. Future research should address these questions.
    Materialart: Online-Ressource
    ISSN: 1360-2357 , 1573-7608
    Sprache: Englisch
    Verlag: Springer Science and Business Media LLC
    Publikationsdatum: 2022
    ZDB Id: 2001930-0
    SSG: 5,3
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 14
    Online-Ressource
    Online-Ressource
    Frontiers Media SA ; 2021
    In:  Frontiers in Psychology Vol. 11 ( 2021-1-18)
    In: Frontiers in Psychology, Frontiers Media SA, Vol. 11 ( 2021-1-18)
    Kurzfassung: Whereas the majority of bereaved persons recover from their grief without professional assistance, a minority develops pathological grief reactions. Etiological models postulate that dysfunctional cognitions may perpetuate such reactions. The Grief Cognitions Questionnaire (GCQ) assesses thoughts after bereavement in nine interrelated domains. A short form (GCQ-SF) with four domains is often used. However, an evaluation of the psychometric properties of the GCQ-SF and its utility compared to the GCQ is lacking and these instruments have not been validated in German. Method German bereaved persons (time since loss 35.3 ± 34.6 months) responded to an online survey containing the GCQ, measures of grief severity, grief rumination, symptoms of depression and anxiety, and optimism and pessimism. 585 participants (18–78 years, 88% women) were included. Item analyses and confirmatory factor analyses were conducted. Correlations between the GCQ and GCQ-SF and grief rumination, optimism and pessimism assessed construct validity. Criterion-related validity was assessed by comparing whether the correlation of the GCQ (and the GCQ-SF) with grief severity was higher than with anxious and depressive symptoms. Logistic regression and receiver-operator characteristics (ROC) compared the questionnaires on their ability to predict probable prolonged grief ‘caseness’ (ICG ≥ 25, time since loss ≥6 months). Results Internal consistencies for both questionnaires were identical and excellent (α = 0.96). Confirmatory factor analyses obtained a satisfactory fit for models with nine and four correlated subscales and respective higher-order factor models. The GCQ and the GCQ-SF correlated higher with grief severity than with other measures of psychopathology. The logistic regression showed a significant association between the GCQ-SF and prolonged grief ‘caseness’. Of the remaining subscales of the GCQ, only one subscale (‘Others’) contributed to the prediction. The ROC analyses showed nearly identical areas under the curve. Conclusion The translated GCQ and GCQ-SF demonstrated very good psychometric properties. The correlations with grief severity highlight the questionnaires’ clinical relevance. The questionnaires possessed identical diagnostic specificity and sensitivity. Whenever a timesaving assessment of the most typical grief-specific cognitions is important, the GCQ-SF represents an alternative to the GCQ. The original GCQ may still be superior when a more detailed description of a bereaved person’s cognitions is desirable.
    Materialart: Online-Ressource
    ISSN: 1664-1078
    Sprache: Unbekannt
    Verlag: Frontiers Media SA
    Publikationsdatum: 2021
    ZDB Id: 2563826-9
    Standort Signatur Einschränkungen Verfügbarkeit
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