Mplus model14latent 模型讲解

来自图书《MPlus中介调节模型》

使用Mplus进行中介、调节和调节中介模型分析

  • 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 + b2V + b3MV + c'X

数学公式2

Y = b0 + b1M + b2V + b3MV + c'X
M = a0 + a1X

数学公式3

Y = b0 + b1M + b2V + b3MV + c'X
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2V + b3(a0 + a1X)V + c'X

数学公式4

Y = b0 + b1M + b2V + b3MV + c'X
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2V + b3(a0 + a1X)V + c'X
Y = b0 + a0b1 + a1b1X + b2V + a0b3V + a1b3XV + c'X

数学公式5

Y = b0 + b1M + b2V + b3MV + c'X
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2V + b3(a0 + a1X)V + c'X
Y = b0 + a0b1 + a1b1X + b2V + a0b3V + a1b3XV + c'X
Y = (b0 + a0b1 + b2V + a0b3V) + (a1b1 + a1b3V + c')X

数学公式6

Y = b0 + b1M + b2V + b3MV + c'X
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2V + b3(a0 + a1X)V + c'X
Y = b0 + a0b1 + a1b1X + b2V + a0b3V + a1b3XV + c'X
Y = (b0 + a0b1 + b2V + a0b3V) + (a1b1 + a1b3V + c')X
X对Y的间接效应(条件于V): a1b1 + a1b3V = a1(b1 + b3V)

数学公式7

Y = b0 + b1M + b2V + b3MV + c'X
M = a0 + a1X
Y = b0 + b1(a0 + a1X) + b2V + b3(a0 + a1X)V + c'X
Y = b0 + a0b1 + a1b1X + b2V + a0b3V + a1b3XV + c'X
Y = (b0 + a0b1 + b2V + a0b3V) + (a1b1 + a1b3V + c')X
X对Y的间接效应(条件于V): a1b1 + a1b3V = a1(b1 + b3V)
X对Y的直接效应: c'

代码解读1

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4 V1 V2 V3 V4 Y1 Y2 Y3 Y4;

代码解读2

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4 V1 V2 V3 V4 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 V1 V2 V3 V4 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;
V BY V1* V2 V3 V4;
Y BY Y1 Y2 Y3 Y4;

代码解读4

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4 V1 V2 V3 V4 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;
V BY V1* V2 V3 V4;
Y BY Y1 Y2 Y3 Y4;
V@1;

代码解读5

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4 V1 V2 V3 V4 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;
V BY V1* V2 V3 V4;
Y BY Y1 Y2 Y3 Y4;
V@1;
MV | M XWITH V;

代码解读6

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4 V1 V2 V3 V4 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;
V BY V1* V2 V3 V4;
Y BY Y1 Y2 Y3 Y4;
V@1;
MV | M XWITH V;
Y ON M (b1);
Y ON V (b2);
Y ON MV (b3);
Y ON X (cdash);
M ON X (a1);

代码解读7

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4 V1 V2 V3 V4 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;
V BY V1* V2 V3 V4;
Y BY Y1 Y2 Y3 Y4;
V@1;
MV | M XWITH V;
Y ON M (b1);
Y ON V (b2);
Y ON MV (b3);
Y ON X (cdash);
M ON X (a1);
MODEL CONSTRAINT:
NEW(LOW_V MED_V HIGH_V IND_LOWV IND_MEDV IND_HIV IMM TOT_LOWV TOT_MEDV TOT_HIV);

代码解读8

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4 V1 V2 V3 V4 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;
V BY V1* V2 V3 V4;
Y BY Y1 Y2 Y3 Y4;
V@1;
MV | M XWITH V;
Y ON M (b1);
Y ON V (b2);
Y ON MV (b3);
Y ON X (cdash);
M ON X (a1);
MODEL CONSTRAINT:
NEW(LOW_V MED_V HIGH_V IND_LOWV IND_MEDV IND_HIV IMM TOT_LOWV TOT_MEDV TOT_HIV);
LOW_V = -1;
MED_V = 0;
HIGH_V = 1;

代码解读9

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4 V1 V2 V3 V4 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;
V BY V1* V2 V3 V4;
Y BY Y1 Y2 Y3 Y4;
V@1;
MV | M XWITH V;
Y ON M (b1);
Y ON V (b2);
Y ON MV (b3);
Y ON X (cdash);
M ON X (a1);
MODEL CONSTRAINT:
NEW(LOW_V MED_V HIGH_V IND_LOWV IND_MEDV IND_HIV IMM TOT_LOWV TOT_MEDV TOT_HIV);
LOW_V = -1;
MED_V = 0;
HIGH_V = 1;
IND_LOWV = a1*b1 + a1*b3*LOW_V;
IND_MEDV = a1*b1 + a1*b3*MED_V;
IND_HIV = a1*b1 + a1*b3*HIGH_V;

代码解读10

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4 V1 V2 V3 V4 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;
V BY V1* V2 V3 V4;
Y BY Y1 Y2 Y3 Y4;
V@1;
MV | M XWITH V;
Y ON M (b1);
Y ON V (b2);
Y ON MV (b3);
Y ON X (cdash);
M ON X (a1);
MODEL CONSTRAINT:
NEW(LOW_V MED_V HIGH_V IND_LOWV IND_MEDV IND_HIV IMM TOT_LOWV TOT_MEDV TOT_HIV);
LOW_V = -1;
MED_V = 0;
HIGH_V = 1;
IND_LOWV = a1*b1 + a1*b3*LOW_V;
IND_MEDV = a1*b1 + a1*b3*MED_V;
IND_HIV = a1*b1 + a1*b3*HIGH_V;
IMM = a1*b3;

代码解读11

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4 V1 V2 V3 V4 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;
V BY V1* V2 V3 V4;
Y BY Y1 Y2 Y3 Y4;
V@1;
MV | M XWITH V;
Y ON M (b1);
Y ON V (b2);
Y ON MV (b3);
Y ON X (cdash);
M ON X (a1);
MODEL CONSTRAINT:
NEW(LOW_V MED_V HIGH_V IND_LOWV IND_MEDV IND_HIV IMM TOT_LOWV TOT_MEDV TOT_HIV);
LOW_V = -1;
MED_V = 0;
HIGH_V = 1;
IND_LOWV = a1*b1 + a1*b3*LOW_V;
IND_MEDV = a1*b1 + a1*b3*MED_V;
IND_HIV = a1*b1 + a1*b3*HIGH_V;
IMM = a1*b3;
TOT_LOWV = IND_LOWV + cdash;
TOT_MEDV = IND_MEDV + cdash;
TOT_HIV = IND_HIV + cdash;

代码解读12

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4 V1 V2 V3 V4 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;
V BY V1* V2 V3 V4;
Y BY Y1 Y2 Y3 Y4;
V@1;
MV | M XWITH V;
Y ON M (b1);
Y ON V (b2);
Y ON MV (b3);
Y ON X (cdash);
M ON X (a1);
MODEL CONSTRAINT:
NEW(LOW_V MED_V HIGH_V IND_LOWV IND_MEDV IND_HIV IMM TOT_LOWV TOT_MEDV TOT_HIV);
LOW_V = -1;
MED_V = 0;
HIGH_V = 1;
IND_LOWV = a1*b1 + a1*b3*LOW_V;
IND_MEDV = a1*b1 + a1*b3*MED_V;
IND_HIV = a1*b1 + a1*b3*HIGH_V;
IMM = a1*b3;
TOT_LOWV = IND_LOWV + cdash;
TOT_MEDV = IND_MEDV + cdash;
TOT_HIV = IND_HIV + cdash;
PLOT(LOMOD MEDMOD HIMOD);
LOOP(XVAL,-3,3,0.1);
LOMOD = IND_LOWV*XVAL;
MEDMOD = IND_MEDV*XVAL;
HIMOD = IND_HIV*XVAL;

代码解读13

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4 V1 V2 V3 V4 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;
V BY V1* V2 V3 V4;
Y BY Y1 Y2 Y3 Y4;
V@1;
MV | M XWITH V;
Y ON M (b1);
Y ON V (b2);
Y ON MV (b3);
Y ON X (cdash);
M ON X (a1);
MODEL CONSTRAINT:
NEW(LOW_V MED_V HIGH_V IND_LOWV IND_MEDV IND_HIV IMM TOT_LOWV TOT_MEDV TOT_HIV);
LOW_V = -1;
MED_V = 0;
HIGH_V = 1;
IND_LOWV = a1*b1 + a1*b3*LOW_V;
IND_MEDV = a1*b1 + a1*b3*MED_V;
IND_HIV = a1*b1 + a1*b3*HIGH_V;
IMM = a1*b3;
TOT_LOWV = IND_LOWV + cdash;
TOT_MEDV = IND_MEDV + cdash;
TOT_HIV = IND_HIV + cdash;
PLOT(LOMOD MEDMOD HIMOD);
LOOP(XVAL,-3,3,0.1);
LOMOD = IND_LOWV*XVAL;
MEDMOD = IND_MEDV*XVAL;
HIMOD = IND_HIV*XVAL;
PLOT: TYPE = plot2;
OUTPUT: CINT;

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