Mplus VERSION 7.4
MUTHEN & MUTHEN
06/04/2016 10:46 AM
INPUT INSTRUCTIONS
title: Hayes PMI multiple mediators example
data:
file = pmi.txt;
variable:
names = cond pmi import reaction gender age;
usev = reaction import pmi cond;
analysis:
bootstrap = 50000;
model:
reaction on import pmi cond;
import on cond;
pmi on cond;
import with pmi;
model indirect:
reaction ind cond;
output:
cinterval(bootstrap);
plot:
type = plot3;
INPUT READING TERMINATED NORMALLY
Hayes PMI multiple mediators example
SUMMARY OF ANALYSIS
Number of groups 1
Number of observations 123
Number of dependent variables 3
Number of independent variables 1
Number of continuous latent variables 0
Observed dependent variables
Continuous
REACTION IMPORT PMI
Observed independent variables
COND
Estimator ML
Information matrix OBSERVED
Maximum number of iterations 1000
Convergence criterion 0.500D-04
Maximum number of steepest descent iterations 20
Number of bootstrap draws
Requested 50000
Completed 50000
Input data file(s)
pmi.txt
Input data format FREE
THE MODEL ESTIMATION TERMINATED NORMALLY
MODEL FIT INFORMATION
Number of Free Parameters 12
Loglikelihood
H0 Value -645.659
H1 Value -645.659
Information Criteria
Akaike (AIC) 1315.317
Bayesian (BIC) 1349.063
Sample-Size Adjusted BIC 1311.120
(n* = (n + 2) / 24)
Chi-Square Test of Model Fit
Value 0.000
Degrees of Freedom 0
P-Value 0.0000
RMSEA (Root Mean Square Error Of Approximation)
Estimate 0.000
90 Percent C.I. 0.000 0.000
Probability RMSEA <= .05 0.000
CFI/TLI
CFI 1.000
TLI 1.000
Chi-Square Test of Model Fit for the Baseline Model
Value 65.010
Degrees of Freedom 6
P-Value 0.0000
SRMR (Standardized Root Mean Square Residual)
Value 0.000
MODEL RESULTS
Two-Tailed
Estimate S.E. Est./S.E. P-Value
REACTION ON
IMPORT 0.324 0.074 4.413 0.000
PMI 0.397 0.079 5.028 0.000
COND 0.103 0.240 0.430 0.667
IMPORT ON
COND 0.627 0.311 2.015 0.044
PMI ON
COND 0.477 0.234 2.040 0.041
IMPORT WITH
PMI 0.568 0.220 2.584 0.010
Intercepts
REACTION -0.150 0.397 -0.377 0.706
IMPORT 3.908 0.204 19.148 0.000
PMI 5.377 0.164 32.703 0.000
Residual Variances
REACTION 1.609 0.176 9.130 0.000
IMPORT 2.893 0.284 10.177 0.000
PMI 1.675 0.287 5.839 0.000
TOTAL, TOTAL INDIRECT, SPECIFIC INDIRECT, AND DIRECT EFFECTS
Two-Tailed
Estimate S.E. Est./S.E. P-Value
Effects from COND to REACTION
Total 0.496 0.275 1.805 0.071
Total indirect 0.392 0.166 2.357 0.018
Specific indirect
REACTION
IMPORT
COND 0.203 0.116 1.757 0.079
REACTION
PMI
COND 0.189 0.105 1.807 0.071
Direct
REACTION
COND 0.103 0.240 0.430 0.667
CONFIDENCE INTERVALS OF MODEL RESULTS
Lower .5% Lower 2.5% Lower 5% Estimate Upper 5% Upper 2.5% Upper .5%
REACTION ON
IMPORT 0.134 0.180 0.204 0.324 0.446 0.469 0.516
PMI 0.190 0.242 0.268 0.397 0.528 0.553 0.607
COND -0.525 -0.371 -0.295 0.103 0.496 0.574 0.724
IMPORT ON
COND -0.179 0.019 0.121 0.627 1.138 1.235 1.425
PMI ON
COND -0.138 0.011 0.089 0.477 0.857 0.926 1.065
IMPORT WITH
PMI 0.019 0.139 0.204 0.568 0.927 0.999 1.148
Intercepts
REACTION -1.255 -0.943 -0.809 -0.150 0.493 0.626 0.907
IMPORT 3.375 3.500 3.569 3.908 4.239 4.304 4.429
PMI 4.941 5.048 5.103 5.377 5.644 5.693 5.781
Residual Variances
REACTION 1.132 1.228 1.277 1.609 1.857 1.920 2.034
IMPORT 2.126 2.295 2.382 2.893 3.315 3.406 3.593
PMI 1.005 1.132 1.202 1.675 2.144 2.251 2.469
CONFIDENCE INTERVALS OF TOTAL, TOTAL INDIRECT, SPECIFIC INDIRECT, AND DIRECT EFFECTS
Lower .5% Lower 2.5% Lower 5% Estimate Upper 5% Upper 2.5% Upper .5%
Effects from COND to REACTION
Total -0.216 -0.042 0.049 0.496 0.948 1.038 1.205
Total indirect -0.006 0.087 0.134 0.392 0.681 0.741 0.860
Specific indirect
REACTION
IMPORT
COND -0.057 0.006 0.035 0.203 0.410 0.458 0.560
REACTION
PMI
COND -0.052 0.004 0.033 0.189 0.373 0.418 0.503
Direct
REACTION
COND -0.525 -0.371 -0.295 0.103 0.496 0.574 0.724
PLOT INFORMATION
The following plots are available:
Histograms (sample values, estimated values, residuals)
Scatterplots (sample values, estimated values, residuals)
Bootstrap distributions
DIAGRAM INFORMATION
Use View Diagram under the Diagram menu in the Mplus Editor to view the diagram.
If running Mplus from the Mplus Diagrammer, the diagram opens automatically.
Diagram output
c:\users\bengt 2013\documents\bengt\mplus runs\a book - topic 1 mplus runs\path analysis\hayes p
Beginning Time: 10:46:01
Ending Time: 10:46:32
Elapsed Time: 00:00:31
MUTHEN & MUTHEN
3463 Stoner Ave.
Los Angeles, CA 90066
Tel: (310) 391-9971
Fax: (310) 391-8971
Web: www.StatModel.com
Support: Support@StatModel.com
Copyright (c) 1998-2015 Muthen & Muthen
Back to examples