Mplus model16 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

Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + c'X

数学公式2

Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + c'X
M = a0 + a1X

数学公式3

Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + c'X
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2V + b3Q + b4(a0 + a1X)V + b5(a0 + a1X)Q + c'X

数学公式4

Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + c'X
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2V + b3Q + b4(a0 + a1X)V + b5(a0 + a1X)Q + c'X
Y = b0 + a0b1 + a1b1X + b2V + b3Q + a0b4V + a1b4XV + a0b5Q + a1b5XQ + c'X

数学公式5

Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + c'X
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2V + b3Q + b4(a0 + a1X)V + b5(a0 + a1X)Q + c'X
Y = b0 + a0b1 + a1b1X + b2V + b3Q + a0b4V + a1b4XV + a0b5Q + a1b5XQ + c'X
Y = (b0 + a0b1 + b2V + b3Q + a0b4V + a0b5Q) + (a1b1 + a1b4V + a1b5Q + c')X

数学公式6

Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + c'X
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2V + b3Q + b4(a0 + a1X)V + b5(a0 + a1X)Q + c'X
Y = b0 + a0b1 + a1b1X + b2V + b3Q + a0b4V + a1b4XV + a0b5Q + a1b5XQ + c'X
Y = (b0 + a0b1 + b2V + b3Q + a0b4V + a0b5Q) + (a1b1 + a1b4V + a1b5Q + c')X
X 对 Y 的间接效应(在 V, Q 条件下): a1(b1 + b4V + b5Q)

数学公式7

Y = b0 + b1M + b2V + b3Q + b4MV + b5MQ + c'X
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2V + b3Q + b4(a0 + a1X)V + b5(a0 + a1X)Q + c'X
Y = b0 + a0b1 + a1b1X + b2V + b3Q + a0b4V + a1b4XV + a0b5Q + a1b5XQ + c'X
Y = (b0 + a0b1 + b2V + b3Q + a0b4V + a0b5Q) + (a1b1 + a1b4V + a1b5Q + c')X
X 对 Y 的间接效应(在 V, Q 条件下): a1(b1 + b4V + b5Q)
X 对 Y 的直接效应: c'

代码解读1

USEVARIABLES = X M V Q Y MV MQ;

代码解读2

USEVARIABLES = X M V Q Y MV MQ;
DEFINE:
MQ = M*Q;
MV = M*V;

代码解读3

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

代码解读4

USEVARIABLES = X M V Q Y MV MQ;
DEFINE:
MQ = M*Q;
MV = M*V;
ANALYSIS:
TYPE = GENERAL;
ESTIMATOR = ML;
BOOTSTRAP = 10000;
MODEL:
[Y] (b0);
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
Y ON X (cdash);
[M] (a0);
M ON X (a1);

代码解读5

USEVARIABLES = X M V Q Y MV MQ;
DEFINE:
MQ = M*Q;
MV = M*V;
ANALYSIS:
TYPE = GENERAL;
ESTIMATOR = ML;
BOOTSTRAP = 10000;
MODEL:
[Y] (b0);
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
Y ON X (cdash);
[M] (a0);
M ON X (a1);
MODEL CONSTRAINT:
NEW(LOW_V MED_V HIGH_V LOW_Q MED_Q HIGH_Q ...);
LOW_V = #LOWV; ... HIGH_Q = #HIGHQ;
ILOV_LOQ = a1*b1 + a1*b4*LOW_V + a1*b5*LOW_Q; ...

代码解读6

USEVARIABLES = X M V Q Y MV MQ;
DEFINE:
MQ = M*Q;
MV = M*V;
ANALYSIS:
TYPE = GENERAL;
ESTIMATOR = ML;
BOOTSTRAP = 10000;
MODEL:
[Y] (b0);
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
Y ON X (cdash);
[M] (a0);
M ON X (a1);
MODEL CONSTRAINT:
NEW(LOW_V MED_V HIGH_V LOW_Q MED_Q HIGH_Q ...);
LOW_V = #LOWV; ... HIGH_Q = #HIGHQ;
ILOV_LOQ = a1*b1 + a1*b4*LOW_V + a1*b5*LOW_Q; ...
PLOT(PLOV_LOQ PMEV_LOQ ...);
LOOP(XVAL,1,5,0.1); ...
PLOT: TYPE = plot2;

代码解读7

USEVARIABLES = X M V Q Y MV MQ;
DEFINE:
MQ = M*Q;
MV = M*V;
ANALYSIS:
TYPE = GENERAL;
ESTIMATOR = ML;
BOOTSTRAP = 10000;
MODEL:
[Y] (b0);
Y ON M (b1);
Y ON V (b2);
Y ON Q (b3);
Y ON MV (b4);
Y ON MQ (b5);
Y ON X (cdash);
[M] (a0);
M ON X (a1);
MODEL CONSTRAINT:
NEW(LOW_V MED_V HIGH_V LOW_Q MED_Q HIGH_Q ...);
LOW_V = #LOWV; ... HIGH_Q = #HIGHQ;
ILOV_LOQ = a1*b1 + a1*b4*LOW_V + a1*b5*LOW_Q; ...
PLOT(PLOV_LOQ PMEV_LOQ ...);
LOOP(XVAL,1,5,0.1); ...
PLOT: TYPE = plot2;
OUTPUT: STAND CINT(bcbootstrap);

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