@misc{cogprints9831,
          volume = {152},
           title = {Testing a German version of the Zimbardo Time Perspective Inventory (ZTPI)},
          author = {Bernd Reuschenbach and Joachim Funke and Annika M. Drevensek and Nadine Ziegler},
            year = {2013},
           pages = {16--29},
         journal = {Studia Psychologica},
        keywords = {german version; zimbardo time perspective inventory; ztpi},
             url = {http://cogprints.org/9831/},
        abstract = {The present study assesses the psychometric properties of the Zimbardo Time Perspective Inventory (ZTPI) in a German sample of N = 160 individuals. The five subscales (PastNegative, Present-Hedonistic, Future, Past-Positive, and Present-Fatalistic) measure different dimensions of the Time Perspective. The German version of the ZTPI proves to be internally consistent and reliable in retests, except for the Future Scale. Retest reliability for a subsample (N = 25) indicates a stable measurement of the scales. The Zimbardo and Boyd?s (1999) factor structure could not be replicated satisfactory. Correlations with conceptually related tests (IPC, HAKEMP, and HEIPI) indicate a fair degree of construct validity within the framework of classical test theory. The fit according to a Rasch model was not successful.}
}

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