Mplus Path Analysis Example 3.18

示意图

代码与注释

TITLE:	this is an example of moderated mediation with a plot of the indirect effect
DATA:	FILE = ex3.18.dat;
VARIABLE:NAMES = y m x z;
	 USEVARIABLES = y m x z xz;
DEFINE:	 xz = x*z;
ANALYSIS:ESTIMATOR = BAYES;
	 PROCESSORS = 2;
	 BITERATIONS = (30000);
MODEL:	 y ON m (b)
	 x z;
     	 m ON x (gamma1)
	 z
	 xz (gamma2);
MODEL CONSTRAINT:
	 PLOT(indirect);
	 LOOP(mod,-2,2,0.1);
	 indirect = b*(gamma1+gamma2*mod); 
PLOT:	 TYPE = PLOT2;
OUTPUT:  STANDARDIZED TECH8;