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Examination of the reliability and validity of the Personality Assessment Inventory

机译：检验人格评估量表的信度和效度

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The reliability, discriminant validity, and construct validity of the Personality Assessment Inventory (PAI) — a multidimensional self-report measure of abnormal personality traits — were examined within the Australian context. Subjects included 151 normals, 30 alcoholics, and 30 schizophrenic patients. A subsample of 70 nonpsychiatric adults responded to the PAI items twice over a test-retest interval of 28 days. The resulting median retest coefficient was 0.7, indicating less than optimal stability. The median alpha (KR21) coefficient was 0.8, suggesting somewhat narrow measurement scales. A significant multivariate main effect was obtained across groups after the effects of age and gender were removed. Multiple comparisons for each of the PAI scales revealed significant differences between the respective groups, as discussed. A higher-order scale factoring did not strongly support the purported PAI structure. In reanalyses of the correlation matrices included in the Professional Manual, the purported PAI factor structure was unable to be replicated for the standardization clinical sample (N=1246), and a confirmatory factor analysis using the normative (validation) correlational data (N=1000) revealed poor fit indices, raising further concerns about construct validity.
机译：在澳大利亚背景下，对人格评估量表（PAI）的可靠性，判别效度和建构效度进行了检验。PAI是一种多维的自我报告，用于衡量异常人格特征。受试者包括151名正常人，30名酗酒者和30名精神分裂症患者。 70位非精神病学成年人的子样本在28天的重新测试间隔中对PAI项目做出了两次回应。所得中值再测试系数为0.7，表明稳定性低于最佳。中位阿尔法（KR21）系数为0.8，表明测量范围有些狭窄。去除年龄和性别影响后，各组均获得了显着的多变量主效应。如前所述，对每个PAI量表的多次比较显示了各个组之间的显着差异。高阶比例分解并没有强烈支持所谓的PAI结构。在重新分析《专业手册》中包含的相关矩阵时，无法针对标准化临床样本（N = 1246）复制所声称的PAI因子结构，并且无法使用规范性（验证）相关数据（N = 1000）进行验证性因子分析。 ）揭示了较差的拟合指数，这进一步引起了对结构有效性的担忧。

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