Mplus model52 模型讲解

来自图书《MPlus中介调节模型》

Mplus 中介、调节及调节中介模型代码示例教程

  • 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 + b2MV + b3MQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ
M = a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ

数学公式2

模型方程:
Y = b0 + b1M + b2MV + b3MQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ
M = a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ
将M的方程代入Y的方程:
Y = b0 + b1(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ) + b2(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ)V + b3(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ)Q + c1'X + c2'V + c3'Q + c4'XV + c5'XQ

数学公式3

模型方程:
Y = b0 + b1M + b2MV + b3MQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ
M = a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ
将M的方程代入Y的方程:
Y = b0 + b1(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ) + b2(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ)V + b3(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ)Q + c1'X + c2'V + c3'Q + c4'XV + c5'XQ
展开括号:
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1Z + a4b1XW + a5b1XZ + a6b1WZ + a7b1XWZ + a0b2V + a1b2XV + a2b2WV + a3b2ZV + a4b2XWV + a5b2XZV + a6b2WZV + a7b2XWZV + a0b3Q + a1b3XQ + a2b3WQ + a3b3ZQ + a4b3XWQ + a5b3XZQ + a6b3WZQ + a7b3XWZQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ

数学公式4

模型方程:
Y = b0 + b1M + b2MV + b3MQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ
M = a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ
将M的方程代入Y的方程:
Y = b0 + b1(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ) + b2(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ)V + b3(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ)Q + c1'X + c2'V + c3'Q + c4'XV + c5'XQ
展开括号:
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1Z + a4b1XW + a5b1XZ + a6b1WZ + a7b1XWZ + a0b2V + a1b2XV + a2b2WV + a3b2ZV + a4b2XWV + a5b2XZV + a6b2WZV + a7b2XWZV + a0b3Q + a1b3XQ + a2b3WQ + a3b3ZQ + a4b3XWQ + a5b3XZQ + a6b3WZQ + a7b3XWZQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ
整理成Y = a + bX的形式:
Y = (b0 + a0b1 + a2b1W + a3b1Z + a6b1WZ + a0b2V + a2b2WV + a3b2ZV + a6b2WZV + a0b3Q + a2b3WQ + a3b3ZQ + a6b3WZQ + c2'V + c3'Q) + (a1b1 + a4b1W + a5b1Z + a7b1WZ + a1b2V + a4b2WV + a5b2ZV + a7b2WZV + a1b3Q + a4b3WQ + a5b3ZQ + a7b3WZQ + c1' + c4'V + c5'Q)X

数学公式5

模型方程:
Y = b0 + b1M + b2MV + b3MQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ
M = a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ
将M的方程代入Y的方程:
Y = b0 + b1(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ) + b2(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ)V + b3(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ)Q + c1'X + c2'V + c3'Q + c4'XV + c5'XQ
展开括号:
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1Z + a4b1XW + a5b1XZ + a6b1WZ + a7b1XWZ + a0b2V + a1b2XV + a2b2WV + a3b2ZV + a4b2XWV + a5b2XZV + a6b2WZV + a7b2XWZV + a0b3Q + a1b3XQ + a2b3WQ + a3b3ZQ + a4b3XWQ + a5b3XZQ + a6b3WZQ + a7b3XWZQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ
整理成Y = a + bX的形式:
Y = (b0 + a0b1 + a2b1W + a3b1Z + a6b1WZ + a0b2V + a2b2WV + a3b2ZV + a6b2WZV + a0b3Q + a2b3WQ + a3b3ZQ + a6b3WZQ + c2'V + c3'Q) + (a1b1 + a4b1W + a5b1Z + a7b1WZ + a1b2V + a4b2WV + a5b2ZV + a7b2WZV + a1b3Q + a4b3WQ + a5b3ZQ + a7b3WZQ + c1' + c4'V + c5'Q)X
X对Y的一个间接效应(在W,Z,V,Q条件下):
(a1 + a4W + a5Z + a7WZ)(b1 + b2V + b3Q)
X对Y的一个直接效应(在V,Q条件下):
c1' + c4'V + c5'Q

代码解读1

USEVARIABLES = X M W Z V Q Y XW XZ WZ XV XQ MV MQ XWZ;

代码解读2

USEVARIABLES = X M W Z V Q Y XW XZ WZ XV XQ MV MQ XWZ;
DEFINE:
 MQ = M*Q;
 MV = M*V;
 XW = X*W;
 XZ = X*Z;
 XQ = X*Q;
 XV = X*V;
 WZ = W*Z;
 XWZ = X*W*Z;

代码解读3

USEVARIABLES = X M W Z V Q Y XW XZ WZ XV XQ MV MQ XWZ;
DEFINE:
 MQ = M*Q;
 MV = M*V;
 XW = X*W;
 XZ = X*Z;
 XQ = X*Q;
 XV = X*V;
 WZ = W*Z;
 XWZ = X*W*Z;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;

代码解读4

USEVARIABLES = X M W Z V Q Y XW XZ WZ XV XQ MV MQ XWZ;
DEFINE:
 MQ = M*Q;
 MV = M*V;
 XW = X*W;
 XZ = X*Z;
 XQ = X*Q;
 XV = X*V;
 WZ = W*Z;
 XWZ = X*W*Z;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MV (b2);
 Y ON MQ (b3);
 Y ON X (cdash1);
 Y ON V (cdash2);
 Y ON Q (cdash3);
 Y ON XV (cdash4);
 Y ON XQ (cdash5);
 [M] (a0);
 M ON X (a1);
 M ON W (a2);
 M ON Z (a3);
 M ON XW (a4);
 M ON XZ (a5);
 M ON WZ (a6);
 M ON XWZ (a7);

代码解读5

USEVARIABLES = X M W Z V Q Y XW XZ WZ XV XQ MV MQ XWZ;
DEFINE:
 MQ = M*Q;
 MV = M*V;
 XW = X*W;
 XZ = X*Z;
 XQ = X*Q;
 XV = X*V;
 WZ = W*Z;
 XWZ = X*W*Z;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MV (b2);
 Y ON MQ (b3);
 Y ON X (cdash1);
 Y ON V (cdash2);
 Y ON Q (cdash3);
 Y ON XV (cdash4);
 Y ON XQ (cdash5);
 [M] (a0);
 M ON X (a1);
 M ON W (a2);
 M ON Z (a3);
 M ON XW (a4);
 M ON XZ (a5);
 M ON WZ (a6);
 M ON XWZ (a7);
MODEL CONSTRAINT:
 NEW(LOW_W MED_W HIGH_W LOW_Z MED_Z HIGH_Z LOW_V MED_V HIGH_V LOW_Q MED_Q HIGH_Q ...); 
 LOW_W = #LOWW; ...

代码解读6

USEVARIABLES = X M W Z V Q Y XW XZ WZ XV XQ MV MQ XWZ;
DEFINE:
 MQ = M*Q;
 MV = M*V;
 XW = X*W;
 XZ = X*Z;
 XQ = X*Q;
 XV = X*V;
 WZ = W*Z;
 XWZ = X*W*Z;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MV (b2);
 Y ON MQ (b3);
 Y ON X (cdash1);
 Y ON V (cdash2);
 Y ON Q (cdash3);
 Y ON XV (cdash4);
 Y ON XQ (cdash5);
 [M] (a0);
 M ON X (a1);
 M ON W (a2);
 M ON Z (a3);
 M ON XW (a4);
 M ON XZ (a5);
 M ON WZ (a6);
 M ON XWZ (a7);
MODEL CONSTRAINT:
 NEW(LOW_W MED_W HIGH_W LOW_Z MED_Z HIGH_Z LOW_V MED_V HIGH_V LOW_Q MED_Q HIGH_Q ...); 
 LOW_W = #LOWW; ...
LOOP(XVAL,1,5,0.1); ...

代码解读7

USEVARIABLES = X M W Z V Q Y XW XZ WZ XV XQ MV MQ XWZ;
DEFINE:
 MQ = M*Q;
 MV = M*V;
 XW = X*W;
 XZ = X*Z;
 XQ = X*Q;
 XV = X*V;
 WZ = W*Z;
 XWZ = X*W*Z;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MV (b2);
 Y ON MQ (b3);
 Y ON X (cdash1);
 Y ON V (cdash2);
 Y ON Q (cdash3);
 Y ON XV (cdash4);
 Y ON XQ (cdash5);
 [M] (a0);
 M ON X (a1);
 M ON W (a2);
 M ON Z (a3);
 M ON XW (a4);
 M ON XZ (a5);
 M ON WZ (a6);
 M ON XWZ (a7);
MODEL CONSTRAINT:
 NEW(LOW_W MED_W HIGH_W LOW_Z MED_Z HIGH_Z LOW_V MED_V HIGH_V LOW_Q MED_Q HIGH_Q ...); 
 LOW_W = #LOWW; ...
LOOP(XVAL,1,5,0.1); ...
PLOT: TYPE = plot2;

代码解读8

USEVARIABLES = X M W Z V Q Y XW XZ WZ XV XQ MV MQ XWZ;
DEFINE:
 MQ = M*Q;
 MV = M*V;
 XW = X*W;
 XZ = X*Z;
 XQ = X*Q;
 XV = X*V;
 WZ = W*Z;
 XWZ = X*W*Z;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MV (b2);
 Y ON MQ (b3);
 Y ON X (cdash1);
 Y ON V (cdash2);
 Y ON Q (cdash3);
 Y ON XV (cdash4);
 Y ON XQ (cdash5);
 [M] (a0);
 M ON X (a1);
 M ON W (a2);
 M ON Z (a3);
 M ON XW (a4);
 M ON XZ (a5);
 M ON WZ (a6);
 M ON XWZ (a7);
MODEL CONSTRAINT:
 NEW(LOW_W MED_W HIGH_W LOW_Z MED_Z HIGH_Z LOW_V MED_V HIGH_V LOW_Q MED_Q HIGH_Q ...); 
 LOW_W = #LOWW; ...
LOOP(XVAL,1,5,0.1); ...
PLOT: TYPE = plot2;
OUTPUT: STAND CINT(bcbootstrap);

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