Centering predictor variables in cross-sectional multilevel models: A new look at an old issue.

作者: Craig K. Enders , Davood Tofighi

DOI: 10.1037/1082-989X.12.2.121

关键词: Item response theoryData scienceHierarchical database modelMean centeringMultilevel modelPredictor variablesGrand meanContext (language use)Linear modelMathematicsEconometrics

摘要: … zero point (Blanton & Jaccard, 2006). Although it is clearly not a panacea for the problem of arbitrary metrics, centering can be used to establish a zero point on … a meaningful zero point, …

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