Mplus VERSION 6
MUTHEN & MUTHEN
04/25/2010  10:57 PM

INPUT INSTRUCTIONS

  ! SCRIPT NAME        : rawVCmod1 (sp)
  ! GOAL                :  GxE - Basic model: To model continuous moderation effects on vari
  ! DATA                : continuous
  ! INPUT                : raw data
  ! UNI/BI/MULTI        : uni
  ! DATA-GROUPS        : MZ DZ
  ! MEANS MODEL        : grand mean, moderator effect
  ! VARIANCE COVARIANCE MODEL(S)        : ACE +  moderator-linked A component,  C component,
  ! GxE - Basic model

  data: file is example6.dat;

  variable:

    names are id zyg p1 p2 m1 m2;

    usevar are p1 p2 m1 m2;

    grouping=zyg(1=MZ 2=DZ);  ! specify the two groups MZ and DZ

    missing=all(-200); ! specify missing data symbol

    constraint=m1 m2;

  model :
    p1 on m1 (b);
    p2 on m2 (b);
    [p1 p2] (m);

    p1 (v1); p2 (v2);
    p1 with p2 (c1);

  model DZ:
    p1 with p2 (c2);

  model constraint:

    new(a*5 c*5 e*5 t u v );
    v1=(a+t*m1)**2 + (c+u*m1)**2 + (e+v*m1)**2;
    v2=(a+t*m2)**2 + (c+u*m2)**2 + (e+v*m2)**2;
    c1=(a+t*m1)*(a+t*m2) + (c+u*m1)*(c+u*m2);
    c2=0.5*(a+t*m1)*(a+t*m2) + (c+u*m1)*(c+u*m2);




*** WARNING
  Input line exceeded 90 characters. Some input may be truncated.
  ! GOAL		:  GxE - Basic model: To model continuous moderation effects on variance components
*** WARNING
  Input line exceeded 90 characters. Some input may be truncated.
  ! VARIANCE COVARIANCE MODEL(S)	: ACE +  moderator-linked A component,  C component, E compo
   2 WARNING(S) FOUND IN THE INPUT INSTRUCTIONS




SUMMARY OF ANALYSIS

Number of groups                                                 2
Number of observations
   Group MZ                                                    200
   Group DZ                                                    200

Number of dependent variables                                    2
Number of independent variables                                  2
Number of continuous latent variables                            0

Observed dependent variables

  Continuous
   P1          P2

Observed independent variables
   M1          M2

Variables with special functions

  Grouping variable     ZYG

Estimator                                                       ML
Information matrix                                        OBSERVED
Maximum number of iterations                                  1000
Convergence criterion                                    0.500D-04
Maximum number of steepest descent iterations                   20
Maximum number of iterations for H1                           2000
Convergence criterion for H1                             0.100D-03

Input data file(s)
  example6.dat

Input data format  FREE


SUMMARY OF DATA

   Group MZ
     Number of missing data patterns             1

   Group DZ
     Number of missing data patterns             1


COVARIANCE COVERAGE OF DATA

Minimum covariance coverage value   0.100


     PROPORTION OF DATA PRESENT FOR MZ


           Covariance Coverage
              P1            P2            M1            M2
              ________      ________      ________      ________
 P1             1.000
 P2             1.000         1.000
 M1             1.000         1.000         1.000
 M2             1.000         1.000         1.000         1.000


     PROPORTION OF DATA PRESENT FOR DZ


           Covariance Coverage
              P1            P2            M1            M2
              ________      ________      ________      ________
 P1             1.000
 P2             1.000         1.000
 M1             1.000         1.000         1.000
 M2             1.000         1.000         1.000         1.000



     WARNING:  THE SAMPLE COVARIANCE OF THE INDEPENDENT VARIABLES IN GROUP MZ
     IS SINGULAR.


     WARNING:  THE SAMPLE CORRELATION OF M2 AND M1
      IN GROUP MZ IS  1.000.


     WARNING:  THE SAMPLE COVARIANCE OF THE INDEPENDENT VARIABLES IN GROUP DZ
     IS SINGULAR.


     WARNING:  THE SAMPLE CORRELATION OF M2 AND M1
      IN GROUP DZ IS  1.000.


THE MODEL ESTIMATION TERMINATED NORMALLY



TESTS OF MODEL FIT

Loglikelihood

          H0 Value                        -748.331

Information Criteria

          Number of Free Parameters              8
          Akaike (AIC)                    1512.662
          Bayesian (BIC)                  1544.594
          Sample-Size Adjusted BIC        1519.209
            (n* = (n + 2) / 24)



MODEL RESULTS

                                                    Two-Tailed
                    Estimate       S.E.  Est./S.E.    P-Value

Group MZ

 P1       ON
    M1                 0.367      0.094      3.898      0.000

 P2       ON
    M2                 0.367      0.094      3.898      0.000

 P1       WITH
    P2               999.000      0.000    999.000    999.000

 Intercepts
    P1                 0.074      0.088      0.838      0.402
    P2                 0.074      0.088      0.838      0.402

 Residual Variances
    P1               999.000      0.000    999.000    999.000
    P2               999.000      0.000    999.000    999.000

Group DZ

 P1       ON
    M1                 0.367      0.094      3.898      0.000

 P2       ON
    M2                 0.367      0.094      3.898      0.000

 P1       WITH
    P2               999.000      0.000    999.000    999.000

 Intercepts
    P1                 0.074      0.088      0.838      0.402
    P2                 0.074      0.088      0.838      0.402

 Residual Variances
    P1               999.000      0.000    999.000    999.000
    P2               999.000      0.000    999.000    999.000

 New/Additional Parameters
    A                  1.229      0.170      7.224      0.000
    C                  0.987      0.219      4.503      0.000
    E                 -0.924      0.043    -21.589      0.000
    T                 -0.601      0.130     -4.609      0.000
    U                  0.176      0.186      0.950      0.342
    V                 -0.383      0.021    -18.308      0.000


QUALITY OF NUMERICAL RESULTS

     Condition Number for the Information Matrix              0.930E-04
       (ratio of smallest to largest eigenvalue)


     Beginning Time:  22:57:50
        Ending Time:  22:57:52
       Elapsed Time:  00:00:02



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