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标题：The 35- Item Delaying Gratification Inventory (DGI-35): Psychometric Properties of the Brazilian Version
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作者：Gabriel Loureiro Figueira ; Vinícius do Carmo Oliveira de Lemos ; Bruno Figueiredo Damásio 等
期刊名称：Psico-USF
印刷版ISSN：1413-8271
出版年度：2020
卷号：25
期号：1
页码：1-14
DOI：10.1590/1413-82712020250107
语种：Portuguese
出版社：Universidade São Francisco
摘要：The Delaying Gratification Inventory (DGI-35) was developed to evaluate different levels of gratification delaying in the general population. The purpose of this study was to present the psychometrics properties of the DGI-35 in the Brazilian population and evidence of convergent validity with the Barrat Impulsivity Scale (BIS-11). A total of 405 participants were selected (61.2% women) aged between 18 and 46 years (M = 22.32, SD = 4.78). Exploratory and confirmatory factor analyses were conducted to evaluate the internal structure of the instrument. Four out of five original factors showed identical consistency, except for the “Physical” factor that did not fit the model, leading to the creation of an alternative of 28 items to the original scale (DGI-28), which presented good fit indices. As expected, the global score of the DGI-28, as well as its factors were negatively correlated to the global score of the BIS-11.
关键词：desvalorização pelo atraso;recompensa;comportamento impulsivo;psicometria;análise fatorial;testes psicológicos