Mplus model26latent 模型讲解

来自图书《MPlus中介调节模型》

使用Mplus构建复杂中介调节模型

  • 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 + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ

数学公式2

Y = b0 + b1M + b2V + b3MV + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ
M = a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ

数学公式3

Y = b0 + b1M + b2V + b3MV + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ
M = a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ
Y = b0 + b1(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ) + b2V + b3(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ)V + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ

数学公式4

Y = b0 + b1M + b2V + b3MV + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ
M = a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ
Y = b0 + b1(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ) + b2V + b3(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ)V + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1Z + a4b1XW + a5b1XZ + a6b1WZ + a7b1XWZ + b2V + a0b3 + a1b3XV + a2b3WV + a3b3ZV + a4b3XWV + a5b3XZV + a6b3WZV + a7b3XWZV + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ

数学公式5

Y = b0 + b1M + b2V + b3MV + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ
M = a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ
Y = b0 + b1(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ) + b2V + b3(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ)V + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1Z + a4b1XW + a5b1XZ + a6b1WZ + a7b1XWZ + b2V + a0b3 + a1b3XV + a2b3WV + a3b3ZV + a4b3XWV + a5b3XZV + a6b3WZV + a7b3XWZV + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ
Y = (b0 + a0b1 + a2b1W + a3b1Z + a6b1WZ + a7b1XWZ + b2V + a0b3 + a2b3WV + a3b3ZV + a6b3WZV + c2'W + c3'Z + c6'WZ) + (a1b1 + a4b1W + a5b1Z + a7b1WZ + a1b3V + a4b3WV + a5b3ZV + a7b3WZV + c1' + c4'W + c5'Z + c7'WZ)X

数学公式6

Y = b0 + b1M + b2V + b3MV + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ
M = a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ
Y = b0 + b1(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ) + b2V + b3(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ)V + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1Z + a4b1XW + a5b1XZ + a6b1WZ + a7b1XWZ + b2V + a0b3 + a1b3XV + a2b3WV + a3b3ZV + a4b3XWV + a5b3XZV + a6b3WZV + a7b3XWZV + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ
Y = (b0 + a0b1 + a2b1W + a3b1Z + a6b1WZ + a7b1XWZ + b2V + a0b3 + a2b3WV + a3b3ZV + a6b3WZV + c2'W + c3'Z + c6'WZ) + (a1b1 + a4b1W + a5b1Z + a7b1WZ + a1b3V + a4b3WV + a5b3ZV + a7b3WZV + c1' + c4'W + c5'Z + c7'WZ)X
条件间接效应(X对Y的间接效应,在W, Z, V条件下):a1b1 + a4b1W + a5b1Z + a7b1WZ + a1b3V + a4b3WV + a5b3ZV + a7b3WZV = (a1 + a4W + a5Z + a7WZ)(b1 + b3V)

数学公式7

Y = b0 + b1M + b2V + b3MV + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ
M = a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ
Y = b0 + b1(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ) + b2V + b3(a0 + a1X + a2W + a3Z + a4XW + a5XZ + a6WZ + a7XWZ)V + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ
Y = b0 + a0b1 + a1b1X + a2b1W + a3b1Z + a4b1XW + a5b1XZ + a6b1WZ + a7b1XWZ + b2V + a0b3 + a1b3XV + a2b3WV + a3b3ZV + a4b3XWV + a5b3XZV + a6b3WZV + a7b3XWZV + c1'X + c2'W + c3'Z + c4'XW + c5'XZ + c6'WZ + c7'XWZ
Y = (b0 + a0b1 + a2b1W + a3b1Z + a6b1WZ + a7b1XWZ + b2V + a0b3 + a2b3WV + a3b3ZV + a6b3WZV + c2'W + c3'Z + c6'WZ) + (a1b1 + a4b1W + a5b1Z + a7b1WZ + a1b3V + a4b3WV + a5b3ZV + a7b3WZV + c1' + c4'W + c5'Z + c7'WZ)X
条件间接效应(X对Y的间接效应,在W, Z, V条件下):a1b1 + a4b1W + a5b1Z + a7b1WZ + a1b3V + a4b3WV + a5b3ZV + a7b3WZV = (a1 + a4W + a5Z + a7WZ)(b1 + b3V)
条件直接效应(X对Y的直接效应,在W, Z条件下):c1' + c4'W + c5'Z + c7'WZ

代码解读1

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 Z1 Z2 Z3 Z4 V1 V2 V3 V4
Y1 Y2 Y3 Y4;

代码解读2

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 Z1 Z2 Z3 Z4 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
W1 W2 W3 W4 Z1 Z2 Z3 Z4 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;
 W BY W1* W2 W3 W4;
 Z BY Z1* Z2 Z3 Z4;
 V BY V1* V2 V3 V4;
 Y BY Y1 Y2 Y3 Y4;
  W@1;  Z@1;  V@1;

代码解读4

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 Z1 Z2 Z3 Z4 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;
 W BY W1* W2 W3 W4;
 Z BY Z1* Z2 Z3 Z4;
 V BY V1* V2 V3 V4;
 Y BY Y1 Y2 Y3 Y4;
  W@1;  Z@1;  V@1;
MV | M XWITH V;
 XW | X XWITH W;
 XZ | X XWITH Z;
 WZ | W XWITH Z;
 XWZ | X XWITH WZ;

代码解读5

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 Z1 Z2 Z3 Z4 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;
 W BY W1* W2 W3 W4;
 Z BY Z1* Z2 Z3 Z4;
 V BY V1* V2 V3 V4;
 Y BY Y1 Y2 Y3 Y4;
  W@1;  Z@1;  V@1;
MV | M XWITH V;
 XW | X XWITH W;
 XZ | X XWITH Z;
 WZ | W XWITH Z;
 XWZ | X XWITH WZ;
Y ON M (b1);
 Y ON V (b2);
 Y ON MV (b3);
 Y ON X (cdash1);
 Y ON W (cdash2);
 Y ON Z (cdash3);
 Y ON XW (cdash4);
 Y ON XZ (cdash5);
 Y ON WZ (cdash6);
 Y ON XWZ (cdash7);

代码解读6

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 Z1 Z2 Z3 Z4 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;
 W BY W1* W2 W3 W4;
 Z BY Z1* Z2 Z3 Z4;
 V BY V1* V2 V3 V4;
 Y BY Y1 Y2 Y3 Y4;
  W@1;  Z@1;  V@1;
MV | M XWITH V;
 XW | X XWITH W;
 XZ | X XWITH Z;
 WZ | W XWITH Z;
 XWZ | X XWITH WZ;
Y ON M (b1);
 Y ON V (b2);
 Y ON MV (b3);
 Y ON X (cdash1);
 Y ON W (cdash2);
 Y ON Z (cdash3);
 Y ON XW (cdash4);
 Y ON XZ (cdash5);
 Y ON WZ (cdash6);
 Y ON XWZ (cdash7);
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7

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 Z1 Z2 Z3 Z4 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;
 W BY W1* W2 W3 W4;
 Z BY Z1* Z2 Z3 Z4;
 V BY V1* V2 V3 V4;
 Y BY Y1 Y2 Y3 Y4;
  W@1;  Z@1;  V@1;
MV | M XWITH V;
 XW | X XWITH W;
 XZ | X XWITH Z;
 WZ | W XWITH Z;
 XWZ | X XWITH WZ;
Y ON M (b1);
 Y ON V (b2);
 Y ON MV (b3);
 Y ON X (cdash1);
 Y ON W (cdash2);
 Y ON Z (cdash3);
 Y ON XW (cdash4);
 Y ON XZ (cdash5);
 Y ON WZ (cdash6);
 Y ON XWZ (cdash7);
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_W = -1; MED_W = 0; HIGH_W = 1; ...
 ILWLZLV = a1*b1 + a4*b1*LOW_W + ...;

代码解读8

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 Z1 Z2 Z3 Z4 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;
 W BY W1* W2 W3 W4;
 Z BY Z1* Z2 Z3 Z4;
 V BY V1* V2 V3 V4;
 Y BY Y1 Y2 Y3 Y4;
  W@1;  Z@1;  V@1;
MV | M XWITH V;
 XW | X XWITH W;
 XZ | X XWITH Z;
 WZ | W XWITH Z;
 XWZ | X XWITH WZ;
Y ON M (b1);
 Y ON V (b2);
 Y ON MV (b3);
 Y ON X (cdash1);
 Y ON W (cdash2);
 Y ON Z (cdash3);
 Y ON XW (cdash4);
 Y ON XZ (cdash5);
 Y ON WZ (cdash6);
 Y ON XWZ (cdash7);
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_W = -1; MED_W = 0; HIGH_W = 1; ...
 ILWLZLV = a1*b1 + a4*b1*LOW_W + ...;
PLOT(...);
 LOOP(XVAL,-3,3,0.1);
 PLWLZLV = ILWLZLV*XVAL; ...

代码解读9

USEVARIABLES = X1 X2 X3 X4 M1 M2 M3 M4
W1 W2 W3 W4 Z1 Z2 Z3 Z4 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;
 W BY W1* W2 W3 W4;
 Z BY Z1* Z2 Z3 Z4;
 V BY V1* V2 V3 V4;
 Y BY Y1 Y2 Y3 Y4;
  W@1;  Z@1;  V@1;
MV | M XWITH V;
 XW | X XWITH W;
 XZ | X XWITH Z;
 WZ | W XWITH Z;
 XWZ | X XWITH WZ;
Y ON M (b1);
 Y ON V (b2);
 Y ON MV (b3);
 Y ON X (cdash1);
 Y ON W (cdash2);
 Y ON Z (cdash3);
 Y ON XW (cdash4);
 Y ON XZ (cdash5);
 Y ON WZ (cdash6);
 Y ON XWZ (cdash7);
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_W = -1; MED_W = 0; HIGH_W = 1; ...
 ILWLZLV = a1*b1 + a4*b1*LOW_W + ...;
PLOT(...);
 LOOP(XVAL,-3,3,0.1);
 PLWLZLV = ILWLZLV*XVAL; ...
PLOT: TYPE = plot2;
OUTPUT: CINT;

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