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- The data set contains 204 observations of 12 continuous variables.
- The 12 variables are indicators of the latent variables Self-esteem, Depression and Impulsiveness.
- The 12 variables are observed on a 5-point Likert scale.
- The data set is listed in the file DEPRESS.PSF.
- DEPRESS.PSF is located in the TUTORIAL folder.
- The first portion of DEPRESS.PSF is shown in the PSF window below.
- SELF1 to SELF5 are indicators of the latent variable Self-esteem (selfest).
- DEPRES1 to DEPRES4 are indicators of the latent variable Depression (depress).
- IMPULS1 to IMPULS3 are indicators of the latent variable Impulsiveness (impuls).
- A path diagram for the corresponding measurement model is shown below.
- Select the New option on the File menu to load the New dialog box.
- Select the Path Diagram option from the list box to load the Save As dialog box.
- Enter the name depress.pth in the File name string field.
- Click on Save button to open an empty PTH window.
- Select the Title and Comments option on the Setup menu to load the Title and Comments dialog box.
- Enter the title A CFA model for Depression in the Title string field.
- Click on the Next button to load the Group Names dialog box.
- Click on the Next button to load the Labels dialog box.
- Click on the Add/Read Variables button to load the Add/Read Variables dialog box.
- Select the PRELIS System File option in the Read from file: drop-down list box.
- Click on the Browse button to load the Browse dialog box.
- Select the file DEPRESS.PSF in the TUTORIAL folder.
- Click on the Open button to return to the Add/Read Variables dialog box.
- Click on the OK button to return to the Labels dialog box.
- Click on the Add Latent Variables button to load the Add Variables dialog box.
- Enter the label selfest for Self-esteem in the string field.
- Click on the OK button to return to the Labels dialog box.
- Click on the Add Latent Variables button to load the Add Variables dialog box.
- Enter the label depress for Depression in the string field.
- Click on the OK button to return to the Labels dialog box.
- Click on the Add Latent Variables button to load the Add Variables dialog box.
- Enter the label impuls for Impulsiveness in the string field.
- Click on the OK button to produce the following Labels dialog box.
- Click on the OK button to return to the PTH window for depress.PTH.
- Click, drag and drop the labels of the observed variables one at a time into the PTH window.
- Click, drag and drop the labels of the latent variables one at a time into the PTH window.
- Select the arrow icon on the Drawing toolbar.
- Click and drag paths from selfest to SELF1, SELF2, SELF3, SELF4 and SELF5 respectively.
- Click and drag paths from depress to DEPRES1, DEPRES2, DEPRES3 and DEPRES4 respectively.
- Click and drag paths from impuls to IMPULS1, IMPULS2 and IMPULS3 respectively to produce the following PTH window.
- Select the Build SIMPLIS Syntax option on the Setup menu to open the following SPJ window.
- Click on the Run LISREL icon on the main toolbar to produce the following PTH window.
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