Timeline for Which Variables Should Be Centered in a Multilevel Model?
Current License: CC BY-SA 4.0
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| Jun 25 at 14:50 | comment | added | Stefan | Hey, I think it depends a bit on the random effect structure of your model (i.e., whether you model random slopes for the covariates or not), because person mean centering of the Level 1 predictors affects this structure. In most applications I know of, people center all variables at the respective person means (Level 1 predictors) or the grand mean (Level 2 predictors). Best, Stefan | |
| Jun 25 at 14:37 | history | edited | dimitriy |
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| Jun 25 at 13:57 | history | asked | Brian Lookabaugh | CC BY-SA 4.0 |