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  • 1
    Electronic Resource
    Electronic Resource
    Zur validität der eppendorfer stimmungs-antriebs-skala (ESTA III) (1985)
    Springer
    European archives of psychiatry and clinical neuroscience 234 (1985), S. 363-368 
    Details
    ISSN: 1433-8491
    Keywords: Drive ; Mood ; Measurement ; Validity ; ESTA ; Antrieb ; Stimmung ; Messung ; Validität ; ESTA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die vorliegende Arbeit setzt sich mit Fragen der Validität der Eppendorfer Stimmungs-Antriebs-Skala (ESTA III) auseinander. Die Eppendorfer Stimmungs-Antriebs-Skala ist ein Selbstbeurteilungsbogen zur Therapie-kontrolle und Verlaufsdarstellung affektiver Psychosen. Empirische Arbeiten zur Validität der Skala wurden bisher nur vom Testautor durchgeführt. Nach einer kritischen Durchsicht bisheriger Arbeiten zur Gültigkeit des Instruments werden eigene Validierungsstudien vorgestellt. Eigene Untersuchungen lassen Zweifel an der konkurrierenden Validität (Vergleich mit Skalen der Eigenschaftswörterliste / EWL-K) des Instrumentes aufkommen. Die Analyse der eigenen Daten und eine Reanalyse der Daten des Testautors sprechen gegen die Konstruktvalidität von ESTA III.
    Notes: Summary The paper examines the validity of the Eppendorfer Mood and Drive Scale (ESTA III). ESTA III is a self-rating instrument for evaluating the effect of therapy and for studying the course of affective psychoses. Empirical research on the validity of the scale has been carried out solely by the author of the test. Subsequent to a critical review of hitherto existing research on the validity of the instrument, our own validity studies are discussed. Our studies cast doubt on the concurrent validity of the instrument (comparison with the adjective check list / EWL-K). Analysis of our own data and Reanalysis of the data published by the author of ESTA III do not support the construct validity of the instrument.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00386052
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Quasiparticle tunneling in HTS grain boundary Josephson junctions (1997)
    Springer
    Journal of low temperature physics 106 (1997), S. 243-248 
    Details
    ISSN: 1573-7357
    Keywords: 85.25. Cp ; 74.50.+r ; 85.70.-w
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The quasiparticle tunneling (QPT) in YBa2Cu3O7−δ (YBCO), Bi2Sr2CaCu2O8+x (BSCCO), Nd1.85Ce0.15CuOx (NCCO) and La1.85Sr0.15CuO4−δ (LSCO) grain boundary Josephson junctions (GBJs) has been studied. At voltages above the gap voltage V9, the measured conductance vs. voltage, G(V), curves show a temperature independent parabolic shape allowing the determination of the effective height and thickness of the insulating grain boundary barrier. At |V|〈Vg, the G(V)-curves are well fitted by a BCS density of states and temperature dependence of the energy gap, if a large broadening parameter Γ is assumed for the gap. The large Γ value most likely is related to the high density of localized states within the grain boundary barrier. Furthermore, a zero-bias conductance anomaly is observed which can be analyzed in terms of spin-flip and Kondo-type scattering at the interface (Anderson-Appelbaum model).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02399621
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    Paper (German National Licenses)
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