Undue reliance on I 2 in assessing heterogeneity may mislead
作者： Gerta Rücker , Guido Schwarzer , James R Carpenter , Martin Schumacher
关键词: Inflation 、 Random effects model 、 Measure (mathematics) 、 Psychology 、 Sample size determination 、 Sampling error 、 Econometrics 、 Statistics 、 Variance (accounting) 、 Statistic 、 Sample (statistics)
摘要: Background The heterogeneity statistic I 2 , interpreted as the percentage of variability due to heterogeneity between studies rather than sampling error, depends on precision, that is, …
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