Why residual between DV and slope in ... PreviousNext
Mplus Discussion > Multilevel Data/Complex Sample >
Message/Author
 Danny Osborne posted on Wednesday, January 11, 2017 - 4:12 pm
Hi there,

I noticed that there is some variability in how cross-level interactions are estimated in the literature. Here's a basic model, as specified in the MPlus Users' Guide:

%WITHIN%
s | y ON x;
%BETWEEN%
y s ON w xm;
y WITH S;

Some people include the "y WITH s;" statement to estimate the residual correlation between the slope and DV, whereas others do not. What is the rationale for including the "y WITH s;" statement? Are there situations where it is sensible to leave that statement out? Thanks!
 Bengt O. Muthen posted on Wednesday, January 11, 2017 - 4:37 pm
If you don't get y WITH s by default you should include it. It is simply very likely that they are correlated.
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