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首页> 外文期刊>Journal of Applied Psychology >Alpha's standard error (ASE): An accurate and precise confidence interval estimate
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Alpha's standard error (ASE): An accurate and precise confidence interval estimate

机译:Alpha的标准误(ASE):准确准确的置信区间估计

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摘要

This research presents the inferential statistics for Cronbach's coefficient alpha on the basis of the standard statistical assumption of multivariate normality. The estimation of alpha's standard error (ASE) and confidence intervals are described, and the authors analytically and empirically investigate the effects of the components of these equations. The authors then demonstrate the superiority of this estimate compared with previous derivations of ASE in a separate Monte Carlo simulation. The authors also present a sampling error and test statistic for a test of independent sample alphas. They conclude with a recommendation that all alpha coefficients be reported in conjunction with standard error or confidence interval estimates and offer SAS and SPSS programming codes for easy implementation.
机译:本研究基于多元正态性的标准统计假设,提出了克伦巴赫系数α的推论统计。描述了α的标准误(ASE)和置信区间的估计,并且作者通过分析和经验研究了这些方程组的影响。然后,作者在单独的蒙特卡洛模拟中证明了该估计值与ASE先前推导相比的优越性。作者还提出了针对独立样本alpha的测试的采样误差和测试统计量。他们的建议是,所有alpha系数都应与标准误差或置信区间估计值一起报告,并提供SAS和SPSS编程代码以易于实施。

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