TITLE: Multilevel Mediation Analysis, 1-1-1 Model, with Random slopes, MSEM;

  DATA: FILE IS E:\ABC\data1.dat;

  VARIABLE:
  NAMES ARE
  id time SQ SD MAIA MAIA2 MAAS PA NA P N Pre Case;
  USEVARIABLES ARE
  id SQ MAIA PA P N Pre;
  WITHIN = P N Pre;
  CLUSTER IS id;



  ANALYSIS: TYPE IS TWOLEVEL RANDOM;

  MODEL:
  %WITHIN%
  sa | MAIA ON SQ;
  sb | PA ON MAIA;
  sc | PA ON SQ;
  PA ON P;
  PA ON N;
  PA ON Pre;
  %BETWEEN%
  sa sb sc SQ MAIA PA;
  sa WITH sc SQ MAIA PA;
  sa WITH sb(cab);
  sb WITH sc SQ MAIA PA;
  sc WITH SQ MAIA PA;
  MAIA ON SQ(ab);
  PA ON MAIA(bb);
  PA ON SQ;
  [sa](aw);
  [sb](bw);
  MODEL CONSTRAINT:
  NEW(a b indb indw);
  a=aw+ab;
  b=bw+bb;
  indw=aw*bw+cab;
  indb=a*b;

  OUTPUT: CINTERVAL;
代码就是这样的