Mplus model40latent 模型讲解

来自图书《MPlus中介调节模型》

Mplus中介、调节和调节中介模型分析教程

  • 理论模型
  • 数学模型
  • 数学推导
  • 代码解读

理论模型

数学模型

数学公式1

模型方程:
Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW

数学公式2

模型方程:
Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
将第二个方程代入第一个方程,得到:
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2V + b3Q + b4(a0 + a1X + a2W + a3XW)V + b5(a0 + a1X + a2W + a3XW)Q + c1'X + c2'W + c3'XW

数学公式3

模型方程:
Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
将第二个方程代入第一个方程,得到:
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2V + b3Q + b4(a0 + a1X + a2W + a3XW)V + b5(a0 + a1X + a2W + a3XW)Q + c1'X + c2'W + c3'XW
展开括号:
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1XW + b2V + b3Q + a0b4V + a1b4XV + a2b4WV + a3b4XWV + a0b5Q + a1b5XQ + a2b5WQ + a3b5XWQ + c1'X + c2'W + c3'XW

数学公式4

模型方程:
Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
将第二个方程代入第一个方程,得到:
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2V + b3Q + b4(a0 + a1X + a2W + a3XW)V + b5(a0 + a1X + a2W + a3XW)Q + c1'X + c2'W + c3'XW
展开括号:
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1XW + b2V + b3Q + a0b4V + a1b4XV + a2b4WV + a3b4XWV + a0b5Q + a1b5XQ + a2b5WQ + a3b5XWQ + c1'X + c2'W + c3'XW
将公式整理成Y = a + bX的形式:
Y = (b0 + a0b1 + a2b1W + b2V + b3Q + a0b4V + a2b4WV + a0b5Q + a2b5WQ + c2'W) + (a1b1 + a3b1W + a1b4V + a3b4WV + a1b5Q + a3b5WQ + c1' + c3'W)X

数学公式5

模型方程:
Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
将第二个方程代入第一个方程,得到:
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2V + b3Q + b4(a0 + a1X + a2W + a3XW)V + b5(a0 + a1X + a2W + a3XW)Q + c1'X + c2'W + c3'XW
展开括号:
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1XW + b2V + b3Q + a0b4V + a1b4XV + a2b4WV + a3b4XWV + a0b5Q + a1b5XQ + a2b5WQ + a3b5XWQ + c1'X + c2'W + c3'XW
将公式整理成Y = a + bX的形式:
Y = (b0 + a0b1 + a2b1W + b2V + b3Q + a0b4V + a2b4WV + a0b5Q + a2b5WQ + c2'W) + (a1b1 + a3b1W + a1b4V + a3b4WV + a1b5Q + a3b5WQ + c1' + c3'W)X
X对Y的间接效应(在W, V, Q条件下):
a1b1 + a3b1W + a1b4V + a3b4WV + a1b5Q + a3b5WQ = (a1 + a3W)(b1 + b4V + b5Q)

数学公式6

模型方程:
Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
将第二个方程代入第一个方程,得到:
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2V + b3Q + b4(a0 + a1X + a2W + a3XW)V + b5(a0 + a1X + a2W + a3XW)Q + c1'X + c2'W + c3'XW
展开括号:
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1XW + b2V + b3Q + a0b4V + a1b4XV + a2b4WV + a3b4XWV + a0b5Q + a1b5XQ + a2b5WQ + a3b5XWQ + c1'X + c2'W + c3'XW
将公式整理成Y = a + bX的形式:
Y = (b0 + a0b1 + a2b1W + b2V + b3Q + a0b4V + a2b4WV + a0b5Q + a2b5WQ + c2'W) + (a1b1 + a3b1W + a1b4V + a3b4WV + a1b5Q + a3b5WQ + c1' + c3'W)X
X对Y的间接效应(在W, V, Q条件下):
a1b1 + a3b1W + a1b4V + a3b4WV + a1b5Q + a3b5WQ = (a1 + a3W)(b1 + b4V + b5Q)
X对Y的直接效应(在W条件下):
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;
 W@1;  V@1;  Q@1;

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;
MV | M XWITH V;
MQ | M XWITH Q;
XW | X XWITH W;

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;
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
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;
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
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 = -1; MED_W = 0; HIGH_W = 1; ...
ILWLVLQ = a1*b1 + a3*b1*LOW_W + ...

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;
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
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 = -1; MED_W = 0; HIGH_W = 1; ...
ILWLVLQ = a1*b1 + a3*b1*LOW_W + ...
PLOT(...);
LOOP(XVAL,-3,3,0.1);

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;
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
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 = -1; MED_W = 0; HIGH_W = 1; ...
ILWLVLQ = a1*b1 + a3*b1*LOW_W + ...
PLOT(...);
LOOP(XVAL,-3,3,0.1);
PLOT: TYPE = plot2;
OUTPUT: CINT;

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