Characteristics of the Posttraumatic Growth Inventory (PTGI)

[Speaker] Oshio, Atsushi:1
1:Waseda University (Japan)

Posttraumatic Growth Inventory (PTGI) is one of the most widely-used inventories to assess individual differences in posttraumatic growth (PTG). This talk presents the characteristics of the PTGI from two standpoints. First, I discuss how similar concepts, PTG and resiliency, should be distinguished by comparing the PTGI with resilience scales. Correlation analyses between these scales and Big Five personality inventory support the differences between PTG and resilience. Second, I present the findings from an item-level analysis of the PTGI to identify the type of growth that is explained by two major precursors for PTG, disruption of core beliefs and deliberate rumination (see Taku & Oshio, 2015). Multivariate multiple regression analysis showed that five out of 21 items were accounted for by both challenges to core beliefs and deliberate rumination. Taken together, features of the PTGI will be discussed.
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