What is different to calculate residual effect in path analysis by formula: Residual effect = 1- R2 or Residual effect =√(1-R2)?

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Christian Geiser

Both would capture a residual effect but 1 - R^2 is perhaps easier to interpret (i.e., as the proportion of variability in the outcome or dependent variable that remains unexplained in the path model). The square root of (1 - R^2) does not have a straightforward interpretation as far as I can tell.

Khin Mu Aye

@Christian Geiser, Thank you for response.