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I know this will be a vague question, without much details related to the model. But, what is the range of Rsquare standardized estimate? My thought is it would still be 0 to 1, because you cannot explain more than 100% variance. So, is it plausible to see in a model a standardized estimate of Rsquare of .957, this seems unusually high for a social science model. Thanks 


Any rsquare is between 0 and 1. Yes, that value looks suspiciously high. This may be due to multicollinearity. 


Hi Bengt, thanks very much for the response as I figured. I am helping a student get ready to defend a dissertation on 7/14/2020 and she asked for my assistance at the very last minute, and I had no involvement with her analyses. 


Hello, I was wondering whether it would be correct to use the Rsquare provided in the output as an effect size for a twolevel mediation model with mediations at both levels? I was also wondering what kind of Rsquare it is? Is it the same one as for regular mediation (i.e., the completely standardized indirect effect as outlined by Preacher & Kelley, 2011)? Thank you in advance! 


Rsquare is given for each equation on each level using the total variance at that level as the denominator. 

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