Mplus model59 模型讲解

来自图书《MPlus中介调节模型》

Mplus 中介调节模型分析教程

  • 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 + b2MW + c1'X + c2'W + c3'XW

数学公式2

Y = b0 + b1M + b2MW + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW

数学公式3

Y = b0 + b1M + b2MW + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2(a0 + a1X + a2W + a3XW)W + c1'X + c2'W + c3'XW

数学公式4

Y = b0 + b1M + b2MW + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2(a0 + a1X + a2W + a3XW)W + c1'X + c2'W + c3'XW
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1XW + a0b2W + a1b2XW + a2b2WW + a3b2XWW + c1'X + c2'W + c3'XW

数学公式5

Y = b0 + b1M + b2MW + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2(a0 + a1X + a2W + a3XW)W + c1'X + c2'W + c3'XW
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1XW + a0b2W + a1b2XW + a2b2WW + a3b2XWW + c1'X + c2'W + c3'XW
Y = (b0 + a0b1 + a2b1W + a0b2W + a2b2WW + c2'W) + (a1b1 + a3b1W + a1b2W + a3b2WW + c1' + c3'W)X

数学公式6

Y = b0 + b1M + b2MW + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2(a0 + a1X + a2W + a3XW)W + c1'X + c2'W + c3'XW
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1XW + a0b2W + a1b2XW + a2b2WW + a3b2XWW + c1'X + c2'W + c3'XW
Y = (b0 + a0b1 + a2b1W + a0b2W + a2b2WW + c2'W) + (a1b1 + a3b1W + a1b2W + a3b2WW + c1' + c3'W)X
X 对 Y 的间接效应(在 W 的条件下):(a1 + a3W)(b1 + b2W)

数学公式7

Y = b0 + b1M + b2MW + c1'X + c2'W + c3'XW
M = a0 + a1X + a2W + a3XW
Y = b0 + b1(a0 + a1X + a2W + a3XW) + b2(a0 + a1X + a2W + a3XW)W + c1'X + c2'W + c3'XW
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1XW + a0b2W + a1b2XW + a2b2WW + a3b2XWW + c1'X + c2'W + c3'XW
Y = (b0 + a0b1 + a2b1W + a0b2W + a2b2WW + c2'W) + (a1b1 + a3b1W + a1b2W + a3b2WW + c1' + c3'W)X
X 对 Y 的间接效应(在 W 的条件下):(a1 + a3W)(b1 + b2W)
X 对 Y 的直接效应(在 W 的条件下):c1' + c3'W

代码解读1

USEVARIABLES = X M W Y XW MW;

代码解读2

USEVARIABLES = X M W Y XW MW;
DEFINE:
 MW = M*W;
 XW = X*W;

代码解读3

USEVARIABLES = X M W Y XW MW;
DEFINE:
 MW = M*W;
 XW = X*W;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;

代码解读4

USEVARIABLES = X M W Y XW MW;
DEFINE:
 MW = M*W;
 XW = X*W;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MW (b2);
 Y ON X (cdash1);
 Y ON W (cdash2);
 Y ON XW (cdash3);

代码解读5

USEVARIABLES = X M W Y XW MW;
DEFINE:
 MW = M*W;
 XW = X*W;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MW (b2);
 Y ON X (cdash1);
 Y ON W (cdash2);
 Y ON XW (cdash3);
[M] (a0);
 M ON X (a1);
 M ON W (a2);
 M ON XW (a3);

代码解读6

USEVARIABLES = X M W Y XW MW;
DEFINE:
 MW = M*W;
 XW = X*W;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MW (b2);
 Y ON X (cdash1);
 Y ON W (cdash2);
 Y ON XW (cdash3);
[M] (a0);
 M ON X (a1);
 M ON W (a2);
 M ON XW (a3);
MODEL CONSTRAINT:
 NEW(LOW_W MED_W HIGH_W ...);
 LOW_W = #LOWW;
 MED_W = #MEDW;
 HIGH_W = #HIGHW;
 IND_LOWW = ...;
 IND_MEDW = ...;
 IND_HIW = ...;

代码解读7

USEVARIABLES = X M W Y XW MW;
DEFINE:
 MW = M*W;
 XW = X*W;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MW (b2);
 Y ON X (cdash1);
 Y ON W (cdash2);
 Y ON XW (cdash3);
[M] (a0);
 M ON X (a1);
 M ON W (a2);
 M ON XW (a3);
MODEL CONSTRAINT:
 NEW(LOW_W MED_W HIGH_W ...);
 LOW_W = #LOWW;
 MED_W = #MEDW;
 HIGH_W = #HIGHW;
 IND_LOWW = ...;
 IND_MEDW = ...;
 IND_HIW = ...;
IMM_LOW = ...;
 IMM_MEDW = ...;
 IMM_HIW = ...;
 DIR_LOWW = ...;
 DIR_MEDW = ...;
 DIR_HIW = ...;
 TOT_LOWW = ...;
 TOT_MEDW = ...;
 TOT_HIW = ...;

代码解读8

USEVARIABLES = X M W Y XW MW;
DEFINE:
 MW = M*W;
 XW = X*W;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MW (b2);
 Y ON X (cdash1);
 Y ON W (cdash2);
 Y ON XW (cdash3);
[M] (a0);
 M ON X (a1);
 M ON W (a2);
 M ON XW (a3);
MODEL CONSTRAINT:
 NEW(LOW_W MED_W HIGH_W ...);
 LOW_W = #LOWW;
 MED_W = #MEDW;
 HIGH_W = #HIGHW;
 IND_LOWW = ...;
 IND_MEDW = ...;
 IND_HIW = ...;
IMM_LOW = ...;
 IMM_MEDW = ...;
 IMM_HIW = ...;
 DIR_LOWW = ...;
 DIR_MEDW = ...;
 DIR_HIW = ...;
 TOT_LOWW = ...;
 TOT_MEDW = ...;
 TOT_HIW = ...;
PLOT(LOMOD MEDMOD HIMOD);
 LOOP(XVAL,1,5,0.1);
 LOMOD = IND_LOWW*XVAL;
 MEDMOD = IND_MEDW*XVAL;
 HIMOD = IND_HIW*XVAL;
PLOT: TYPE = plot2;

代码解读9

USEVARIABLES = X M W Y XW MW;
DEFINE:
 MW = M*W;
 XW = X*W;
ANALYSIS:
 TYPE = GENERAL;
 ESTIMATOR = ML;
 BOOTSTRAP = 10000;
MODEL:
 [Y] (b0);
 Y ON M (b1);
 Y ON MW (b2);
 Y ON X (cdash1);
 Y ON W (cdash2);
 Y ON XW (cdash3);
[M] (a0);
 M ON X (a1);
 M ON W (a2);
 M ON XW (a3);
MODEL CONSTRAINT:
 NEW(LOW_W MED_W HIGH_W ...);
 LOW_W = #LOWW;
 MED_W = #MEDW;
 HIGH_W = #HIGHW;
 IND_LOWW = ...;
 IND_MEDW = ...;
 IND_HIW = ...;
IMM_LOW = ...;
 IMM_MEDW = ...;
 IMM_HIW = ...;
 DIR_LOWW = ...;
 DIR_MEDW = ...;
 DIR_HIW = ...;
 TOT_LOWW = ...;
 TOT_MEDW = ...;
 TOT_HIW = ...;
PLOT(LOMOD MEDMOD HIMOD);
 LOOP(XVAL,1,5,0.1);
 LOMOD = IND_LOWW*XVAL;
 MEDMOD = IND_MEDW*XVAL;
 HIMOD = IND_HIW*XVAL;
PLOT: TYPE = plot2;
OUTPUT: STAND CINT(bcbootstrap);

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