Mplus model42latent 模型讲解

来自图书《MPlus中介调节模型》

Mplus模型42:潜变量中介调节效应模型详解

  • 理论模型:阐述中介、调节和调节中介效应的理论框架,以及本模型包含的变量及关系。
  • 数学模型:展示模型的方程组,定义各个参数及变量之间的关系。
  • 数学推导:详细推导条件间接效应、直接效应和总效应的计算公式。
  • 代码解读:逐步讲解Mplus代码,包括测量模型、结构模型、交互作用项的构建以及模型约束的设置。

理论模型

数学模型

数学公式1

Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + b6VQ + b7MVQ + c1'X + c2'W + c3'XW

数学公式2

Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + b6VQ + b7MVQ + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW

数学公式3

Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + b6VQ + b7MVQ + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2V + b3Q + b4(a0 + a1X + a2W + a3XW)V + b5(a0 + a1X + a2W + a3XW)Q + b6VQ + b7(a0 + a1X + a2W + a3XW)VQ + c1'X + c2'W + c3'XW

数学公式4

Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + b6VQ + b7MVQ + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2V + b3Q + b4(a0 + a1X + a2W + a3XW)V + b5(a0 + a1X + a2W + a3XW)Q + b6VQ + b7(a0 + a1X + a2W + a3XW)VQ + c1'X + c2'W + c3'XW
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1XW + b2V + b3Q + a0b4V + a1b4XV + a2b4WV + a3b4XWV + a0b5Q + a1b5XQ + a2b5WQ + a3b5XWQ + b6VQ + a0b7VQ + a1b7XVQ + a2b7WVQ + a3b7XWVQ + c1'X + c2'W + c3'XW

数学公式5

Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + b6VQ + b7MVQ + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2V + b3Q + b4(a0 + a1X + a2W + a3XW)V + b5(a0 + a1X + a2W + a3XW)Q + b6VQ + b7(a0 + a1X + a2W + a3XW)VQ + c1'X + c2'W + c3'XW
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1XW + b2V + b3Q + a0b4V + a1b4XV + a2b4WV + a3b4XWV + a0b5Q + a1b5XQ + a2b5WQ + a3b5XWQ + b6VQ + a0b7VQ + a1b7XVQ + a2b7WVQ + a3b7XWVQ + c1'X + c2'W + c3'XW
Y = (b0 + a0b1 + a2b1W + b2V + b3Q + a0b4V + a2b4WV + a0b5Q + a2b5WQ + b6VQ + a0b7VQ + a2b7WVQ + c2'W) + (a1b1 + a3b1W + a1b4V + a3b4WV + a1b5Q + a3b5WQ + a1b7VQ + a3b7WVQ + c1' + c3'W)X

数学公式6

Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + b6VQ + b7MVQ + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2V + b3Q + b4(a0 + a1X + a2W + a3XW)V + b5(a0 + a1X + a2W + a3XW)Q + b6VQ + b7(a0 + a1X + a2W + a3XW)VQ + c1'X + c2'W + c3'XW
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1XW + b2V + b3Q + a0b4V + a1b4XV + a2b4WV + a3b4XWV + a0b5Q + a1b5XQ + a2b5WQ + a3b5XWQ + b6VQ + a0b7VQ + a1b7XVQ + a2b7WVQ + a3b7XWVQ + c1'X + c2'W + c3'XW
Y = (b0 + a0b1 + a2b1W + b2V + b3Q + a0b4V + a2b4WV + a0b5Q + a2b5WQ + b6VQ + a0b7VQ + a2b7WVQ + c2'W) + (a1b1 + a3b1W + a1b4V + a3b4WV + a1b5Q + a3b5WQ + a1b7VQ + a3b7WVQ + c1' + c3'W)X
间接效应:a1b1 + a3b1W + a1b4V + a3b4WV + a1b5Q + a3b5WQ + a1b7VQ + a3b7WVQ = (a1 + a3W)(b1 + b4V + b5Q + b7VQ)

数学公式7

Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + b6VQ + b7MVQ + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2V + b3Q + b4(a0 + a1X + a2W + a3XW)V + b5(a0 + a1X + a2W + a3XW)Q + b6VQ + b7(a0 + a1X + a2W + a3XW)VQ + c1'X + c2'W + c3'XW
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1XW + b2V + b3Q + a0b4V + a1b4XV + a2b4WV + a3b4XWV + a0b5Q + a1b5XQ + a2b5WQ + a3b5XWQ + b6VQ + a0b7VQ + a1b7XVQ + a2b7WVQ + a3b7XWVQ + c1'X + c2'W + c3'XW
Y = (b0 + a0b1 + a2b1W + b2V + b3Q + a0b4V + a2b4WV + a0b5Q + a2b5WQ + b6VQ + a0b7VQ + a2b7WVQ + c2'W) + (a1b1 + a3b1W + a1b4V + a3b4WV + a1b5Q + a3b5WQ + a1b7VQ + a3b7WVQ + c1' + c3'W)X
间接效应:a1b1 + a3b1W + a1b4V + a3b4WV + a1b5Q + a3b5WQ + a1b7VQ + a3b7WVQ = (a1 + a3W)(b1 + b4V + b5Q + b7VQ)
直接效应:c1' + c3'W

代码解读1

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 V1 V2 V3 V4 Q1 Q2 Q3 Q4
Y1 Y2 Y3 Y4;

代码解读2

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 V1 V2 V3 V4 Q1 Q2 Q3 Q4
Y1 Y2 Y3 Y4;
ANALYSIS:
TYPE = GENERAL RANDOM;
ESTIMATOR = ML;
ALGORITHM = INTEGRATION;

代码解读3

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 V1 V2 V3 V4 Q1 Q2 Q3 Q4
Y1 Y2 Y3 Y4;
ANALYSIS:
TYPE = GENERAL RANDOM;
ESTIMATOR = ML;
ALGORITHM = INTEGRATION;
MODEL:
X BY X1 X2 X3 X4;
M BY M1 M2 M3 M4;
W BY W1* W2 W3 W4;
V BY V1* V2 V3 V4;
Q BY Q1* Q2 Q3 Q4;
Y BY Y1 Y2 Y3 Y4;

代码解读4

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 V1 V2 V3 V4 Q1 Q2 Q3 Q4
Y1 Y2 Y3 Y4;
ANALYSIS:
TYPE = GENERAL RANDOM;
ESTIMATOR = ML;
ALGORITHM = INTEGRATION;
MODEL:
X BY X1 X2 X3 X4;
M BY M1 M2 M3 M4;
W BY W1* W2 W3 W4;
V BY V1* V2 V3 V4;
Q BY Q1* Q2 Q3 Q4;
Y BY Y1 Y2 Y3 Y4;
W@1; V@1; Q@1;

代码解读5

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 V1 V2 V3 V4 Q1 Q2 Q3 Q4
Y1 Y2 Y3 Y4;
ANALYSIS:
TYPE = GENERAL RANDOM;
ESTIMATOR = ML;
ALGORITHM = INTEGRATION;
MODEL:
X BY X1 X2 X3 X4;
M BY M1 M2 M3 M4;
W BY W1* W2 W3 W4;
V BY V1* V2 V3 V4;
Q BY Q1* Q2 Q3 Q4;
Y BY Y1 Y2 Y3 Y4;
W@1; V@1; Q@1;
MV | M XWITH V;
MQ | M XWITH Q;
XW | X XWITH W;
VQ | V XWITH Q;
MVQ | M XWITH VQ;

代码解读6

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 V1 V2 V3 V4 Q1 Q2 Q3 Q4
Y1 Y2 Y3 Y4;
ANALYSIS:
TYPE = GENERAL RANDOM;
ESTIMATOR = ML;
ALGORITHM = INTEGRATION;
MODEL:
X BY X1 X2 X3 X4;
M BY M1 M2 M3 M4;
W BY W1* W2 W3 W4;
V BY V1* V2 V3 V4;
Q BY Q1* Q2 Q3 Q4;
Y BY Y1 Y2 Y3 Y4;
W@1; V@1; Q@1;
MV | M XWITH V;
MQ | M XWITH Q;
XW | X XWITH W;
VQ | V XWITH Q;
MVQ | M XWITH VQ;
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
Y ON VQ (b6);
Y ON MVQ (b7);
Y ON X (cdash1);
Y ON W (cdash2);
Y ON XW (cdash3);

代码解读7

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 V1 V2 V3 V4 Q1 Q2 Q3 Q4
Y1 Y2 Y3 Y4;
ANALYSIS:
TYPE = GENERAL RANDOM;
ESTIMATOR = ML;
ALGORITHM = INTEGRATION;
MODEL:
X BY X1 X2 X3 X4;
M BY M1 M2 M3 M4;
W BY W1* W2 W3 W4;
V BY V1* V2 V3 V4;
Q BY Q1* Q2 Q3 Q4;
Y BY Y1 Y2 Y3 Y4;
W@1; V@1; Q@1;
MV | M XWITH V;
MQ | M XWITH Q;
XW | X XWITH W;
VQ | V XWITH Q;
MVQ | M XWITH VQ;
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
Y ON VQ (b6);
Y ON MVQ (b7);
Y ON X (cdash1);
Y ON W (cdash2);
Y ON XW (cdash3);
M ON X (a1);
M ON W (a2);
M ON XW (a3);

代码解读8

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 V1 V2 V3 V4 Q1 Q2 Q3 Q4
Y1 Y2 Y3 Y4;
ANALYSIS:
TYPE = GENERAL RANDOM;
ESTIMATOR = ML;
ALGORITHM = INTEGRATION;
MODEL:
X BY X1 X2 X3 X4;
M BY M1 M2 M3 M4;
W BY W1* W2 W3 W4;
V BY V1* V2 V3 V4;
Q BY Q1* Q2 Q3 Q4;
Y BY Y1 Y2 Y3 Y4;
W@1; V@1; Q@1;
MV | M XWITH V;
MQ | M XWITH Q;
XW | X XWITH W;
VQ | V XWITH Q;
MVQ | M XWITH VQ;
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
Y ON VQ (b6);
Y ON MVQ (b7);
Y ON X (cdash1);
Y ON W (cdash2);
Y ON XW (cdash3);
M ON X (a1);
M ON W (a2);
M ON XW (a3);
MODEL CONSTRAINT:
NEW(LOW_W MED_W HIGH_W ...);
LOW_W = -1; MED_W = 0; HIGH_W = 1; ...

代码解读9

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 V1 V2 V3 V4 Q1 Q2 Q3 Q4
Y1 Y2 Y3 Y4;
ANALYSIS:
TYPE = GENERAL RANDOM;
ESTIMATOR = ML;
ALGORITHM = INTEGRATION;
MODEL:
X BY X1 X2 X3 X4;
M BY M1 M2 M3 M4;
W BY W1* W2 W3 W4;
V BY V1* V2 V3 V4;
Q BY Q1* Q2 Q3 Q4;
Y BY Y1 Y2 Y3 Y4;
W@1; V@1; Q@1;
MV | M XWITH V;
MQ | M XWITH Q;
XW | X XWITH W;
VQ | V XWITH Q;
MVQ | M XWITH VQ;
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
Y ON VQ (b6);
Y ON MVQ (b7);
Y ON X (cdash1);
Y ON W (cdash2);
Y ON XW (cdash3);
M ON X (a1);
M ON W (a2);
M ON XW (a3);
MODEL CONSTRAINT:
NEW(LOW_W MED_W HIGH_W ...);
LOW_W = -1; MED_W = 0; HIGH_W = 1; ...
ILWLVLQ = a1*b1 + a3*b1*LOW_W + ...;
...
IHWHVHQ = ...;

代码解读10

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 V1 V2 V3 V4 Q1 Q2 Q3 Q4
Y1 Y2 Y3 Y4;
ANALYSIS:
TYPE = GENERAL RANDOM;
ESTIMATOR = ML;
ALGORITHM = INTEGRATION;
MODEL:
X BY X1 X2 X3 X4;
M BY M1 M2 M3 M4;
W BY W1* W2 W3 W4;
V BY V1* V2 V3 V4;
Q BY Q1* Q2 Q3 Q4;
Y BY Y1 Y2 Y3 Y4;
W@1; V@1; Q@1;
MV | M XWITH V;
MQ | M XWITH Q;
XW | X XWITH W;
VQ | V XWITH Q;
MVQ | M XWITH VQ;
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
Y ON VQ (b6);
Y ON MVQ (b7);
Y ON X (cdash1);
Y ON W (cdash2);
Y ON XW (cdash3);
M ON X (a1);
M ON W (a2);
M ON XW (a3);
MODEL CONSTRAINT:
NEW(LOW_W MED_W HIGH_W ...);
LOW_W = -1; MED_W = 0; HIGH_W = 1; ...
ILWLVLQ = a1*b1 + a3*b1*LOW_W + ...;
...
IHWHVHQ = ...;
DIR_LOWW = ...; DIR_MEDW = ...; DIR_HIW = ...;
TLWLVLQ = ...; ...; THWHVHQ = ...;

代码解读11

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 V1 V2 V3 V4 Q1 Q2 Q3 Q4
Y1 Y2 Y3 Y4;
ANALYSIS:
TYPE = GENERAL RANDOM;
ESTIMATOR = ML;
ALGORITHM = INTEGRATION;
MODEL:
X BY X1 X2 X3 X4;
M BY M1 M2 M3 M4;
W BY W1* W2 W3 W4;
V BY V1* V2 V3 V4;
Q BY Q1* Q2 Q3 Q4;
Y BY Y1 Y2 Y3 Y4;
W@1; V@1; Q@1;
MV | M XWITH V;
MQ | M XWITH Q;
XW | X XWITH W;
VQ | V XWITH Q;
MVQ | M XWITH VQ;
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
Y ON VQ (b6);
Y ON MVQ (b7);
Y ON X (cdash1);
Y ON W (cdash2);
Y ON XW (cdash3);
M ON X (a1);
M ON W (a2);
M ON XW (a3);
MODEL CONSTRAINT:
NEW(LOW_W MED_W HIGH_W ...);
LOW_W = -1; MED_W = 0; HIGH_W = 1; ...
ILWLVLQ = a1*b1 + a3*b1*LOW_W + ...;
...
IHWHVHQ = ...;
DIR_LOWW = ...; DIR_MEDW = ...; DIR_HIW = ...;
TLWLVLQ = ...; ...; THWHVHQ = ...;
PLOT(...);
LOOP(XVAL,-3,3,0.1); ...

代码解读12

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 V1 V2 V3 V4 Q1 Q2 Q3 Q4
Y1 Y2 Y3 Y4;
ANALYSIS:
TYPE = GENERAL RANDOM;
ESTIMATOR = ML;
ALGORITHM = INTEGRATION;
MODEL:
X BY X1 X2 X3 X4;
M BY M1 M2 M3 M4;
W BY W1* W2 W3 W4;
V BY V1* V2 V3 V4;
Q BY Q1* Q2 Q3 Q4;
Y BY Y1 Y2 Y3 Y4;
W@1; V@1; Q@1;
MV | M XWITH V;
MQ | M XWITH Q;
XW | X XWITH W;
VQ | V XWITH Q;
MVQ | M XWITH VQ;
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
Y ON VQ (b6);
Y ON MVQ (b7);
Y ON X (cdash1);
Y ON W (cdash2);
Y ON XW (cdash3);
M ON X (a1);
M ON W (a2);
M ON XW (a3);
MODEL CONSTRAINT:
NEW(LOW_W MED_W HIGH_W ...);
LOW_W = -1; MED_W = 0; HIGH_W = 1; ...
ILWLVLQ = a1*b1 + a3*b1*LOW_W + ...;
...
IHWHVHQ = ...;
DIR_LOWW = ...; DIR_MEDW = ...; DIR_HIW = ...;
TLWLVLQ = ...; ...; THWHVHQ = ...;
PLOT(...);
LOOP(XVAL,-3,3,0.1); ...
PLOT: TYPE = plot2;
OUTPUT: CINT;

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