Mplus model19 模型讲解

来自图书《MPlus中介调节模型》

Mplus复杂模型构建:中介、调节与调节中介效应分析

  • 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

Y = b0 + b1M + b2MV + b3MQ + b4MVQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ

数学公式2

Y = b0 + b1M + b2MV + b3MQ + b4MVQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ
M = a0 + a1X

数学公式3

Y = b0 + b1M + b2MV + b3MQ + b4MVQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2(a0 + a1X)V + b3(a0 + a1X)Q + b4(a0 + a1X)VQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ

数学公式4

Y = b0 + b1M + b2MV + b3MQ + b4MVQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2(a0 + a1X)V + b3(a0 + a1X)Q + b4(a0 + a1X)VQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ
Y = b0 + a0b1 + a1b1X + a0b2V + a1b2XV + a0b3Q + a1b3XQ + a0b4VQ + a1b4XVQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ

数学公式5

Y = b0 + b1M + b2MV + b3MQ + b4MVQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2(a0 + a1X)V + b3(a0 + a1X)Q + b4(a0 + a1X)VQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ
Y = b0 + a0b1 + a1b1X + a0b2V + a1b2XV + a0b3Q + a1b3XQ + a0b4VQ + a1b4XVQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ
Y = (b0 + a0b1 + a0b2V + a0b3Q + a0b4VQ + c2'V + c3'Q + c6'VQ) + (a1b1 + a1b2V + a1b3Q + a1b4VQ + c1' + c4'V + c5'Q + c7'VQ)X

数学公式6

Y = b0 + b1M + b2MV + b3MQ + b4MVQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2(a0 + a1X)V + b3(a0 + a1X)Q + b4(a0 + a1X)VQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ
Y = b0 + a0b1 + a1b1X + a0b2V + a1b2XV + a0b3Q + a1b3XQ + a0b4VQ + a1b4XVQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ
Y = (b0 + a0b1 + a0b2V + a0b3Q + a0b4VQ + c2'V + c3'Q + c6'VQ) + (a1b1 + a1b2V + a1b3Q + a1b4VQ + c1' + c4'V + c5'Q + c7'VQ)X
在V和Q条件下,X对Y的间接效应为: a1b1 + a1b2V + a1b3Q + a1b4VQ = a1(b1 + b2V + b3Q + b4VQ)

数学公式7

Y = b0 + b1M + b2MV + b3MQ + b4MVQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2(a0 + a1X)V + b3(a0 + a1X)Q + b4(a0 + a1X)VQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ
Y = b0 + a0b1 + a1b1X + a0b2V + a1b2XV + a0b3Q + a1b3XQ + a0b4VQ + a1b4XVQ + c1'X + c2'V + c3'Q + c4'XV + c5'XQ + c6'VQ + c7'XVQ
Y = (b0 + a0b1 + a0b2V + a0b3Q + a0b4VQ + c2'V + c3'Q + c6'VQ) + (a1b1 + a1b2V + a1b3Q + a1b4VQ + c1' + c4'V + c5'Q + c7'VQ)X
在V和Q条件下,X对Y的间接效应为: a1b1 + a1b2V + a1b3Q + a1b4VQ = a1(b1 + b2V + b3Q + b4VQ)
在V和Q条件下,X对Y的直接效应为: c1' + c4'V + c5'Q + c7'VQ

代码解读1

USEVARIABLES = X M V Q Y MV MQ XV XQ VQ MVQ XVQ;

代码解读2

USEVARIABLES = X M V Q Y MV MQ XV XQ VQ MVQ XVQ;
DEFINE:
 MQ = M*Q;
 MV = M*V;
 XQ = X*Q;
 XV = X*V;
 VQ = V*Q;
 MVQ = M*V*Q;
 XVQ = X*V*Q;

代码解读3

USEVARIABLES = X M V Q Y MV MQ XV XQ VQ MVQ XVQ;
DEFINE:
 MQ = M*Q;
 MV = M*V;
 XQ = X*Q;
 XV = X*V;
 VQ = V*Q;
 MVQ = M*V*Q;
 XVQ = X*V*Q;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;

代码解读4

USEVARIABLES = X M V Q Y MV MQ XV XQ VQ MVQ XVQ;
DEFINE:
 MQ = M*Q;
 MV = M*V;
 XQ = X*Q;
 XV = X*V;
 VQ = V*Q;
 MVQ = M*V*Q;
 XVQ = X*V*Q;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MV (b2);
 Y ON MQ (b3);
 Y ON MVQ (b4);
 Y ON X (cdash1);
 Y ON V (cdash2);
 Y ON Q (cdash3);
 Y ON XV (cdash4);
 Y ON XQ (cdash5);
 Y ON VQ (cdash6);
 Y ON XVQ (cdash7);
 [M] (a0);
 M ON X (a1);

代码解读5

USEVARIABLES = X M V Q Y MV MQ XV XQ VQ MVQ XVQ;
DEFINE:
 MQ = M*Q;
 MV = M*V;
 XQ = X*Q;
 XV = X*V;
 VQ = V*Q;
 MVQ = M*V*Q;
 XVQ = X*V*Q;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MV (b2);
 Y ON MQ (b3);
 Y ON MVQ (b4);
 Y ON X (cdash1);
 Y ON V (cdash2);
 Y ON Q (cdash3);
 Y ON XV (cdash4);
 Y ON XQ (cdash5);
 Y ON VQ (cdash6);
 Y ON XVQ (cdash7);
 [M] (a0);
 M ON X (a1);
MODEL CONSTRAINT:
 NEW(LOW_V MED_V HIGH_V LOW_Q MED_Q HIGH_Q ...);
 LOW_V = #LOWV;
 ...
 TLOV_HIQ = ILOV_HIQ + DLOV_HIQ;

代码解读6

USEVARIABLES = X M V Q Y MV MQ XV XQ VQ MVQ XVQ;
DEFINE:
 MQ = M*Q;
 MV = M*V;
 XQ = X*Q;
 XV = X*V;
 VQ = V*Q;
 MVQ = M*V*Q;
 XVQ = X*V*Q;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MV (b2);
 Y ON MQ (b3);
 Y ON MVQ (b4);
 Y ON X (cdash1);
 Y ON V (cdash2);
 Y ON Q (cdash3);
 Y ON XV (cdash4);
 Y ON XQ (cdash5);
 Y ON VQ (cdash6);
 Y ON XVQ (cdash7);
 [M] (a0);
 M ON X (a1);
MODEL CONSTRAINT:
 NEW(LOW_V MED_V HIGH_V LOW_Q MED_Q HIGH_Q ...);
 LOW_V = #LOWV;
 ...
 TLOV_HIQ = ILOV_HIQ + DLOV_HIQ;
PLOT(PLOV_LOQ PMEV_LOQ PHIV_LOQ ...);
 LOOP(XVAL,1,5,0.1);
 ...
 PHIV_HIQ = IHIV_HIQ*XVAL;

代码解读7

USEVARIABLES = X M V Q Y MV MQ XV XQ VQ MVQ XVQ;
DEFINE:
 MQ = M*Q;
 MV = M*V;
 XQ = X*Q;
 XV = X*V;
 VQ = V*Q;
 MVQ = M*V*Q;
 XVQ = X*V*Q;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MV (b2);
 Y ON MQ (b3);
 Y ON MVQ (b4);
 Y ON X (cdash1);
 Y ON V (cdash2);
 Y ON Q (cdash3);
 Y ON XV (cdash4);
 Y ON XQ (cdash5);
 Y ON VQ (cdash6);
 Y ON XVQ (cdash7);
 [M] (a0);
 M ON X (a1);
MODEL CONSTRAINT:
 NEW(LOW_V MED_V HIGH_V LOW_Q MED_Q HIGH_Q ...);
 LOW_V = #LOWV;
 ...
 TLOV_HIQ = ILOV_HIQ + DLOV_HIQ;
PLOT(PLOV_LOQ PMEV_LOQ PHIV_LOQ ...);
 LOOP(XVAL,1,5,0.1);
 ...
 PHIV_HIQ = IHIV_HIQ*XVAL;
PLOT: TYPE = plot2;

代码解读8

USEVARIABLES = X M V Q Y MV MQ XV XQ VQ MVQ XVQ;
DEFINE:
 MQ = M*Q;
 MV = M*V;
 XQ = X*Q;
 XV = X*V;
 VQ = V*Q;
 MVQ = M*V*Q;
 XVQ = X*V*Q;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MV (b2);
 Y ON MQ (b3);
 Y ON MVQ (b4);
 Y ON X (cdash1);
 Y ON V (cdash2);
 Y ON Q (cdash3);
 Y ON XV (cdash4);
 Y ON XQ (cdash5);
 Y ON VQ (cdash6);
 Y ON XVQ (cdash7);
 [M] (a0);
 M ON X (a1);
MODEL CONSTRAINT:
 NEW(LOW_V MED_V HIGH_V LOW_Q MED_Q HIGH_Q ...);
 LOW_V = #LOWV;
 ...
 TLOV_HIQ = ILOV_HIQ + DLOV_HIQ;
PLOT(PLOV_LOQ PMEV_LOQ PHIV_LOQ ...);
 LOOP(XVAL,1,5,0.1);
 ...
 PHIV_HIQ = IHIV_HIQ*XVAL;
PLOT: TYPE = plot2;
OUTPUT:
 STAND CINT(bcbootstrap);

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