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The General (LISREL) SEM model Ordinal variables p.79-87 Alternative Fit indices p.106-110 Error of Approximation p.110-114 Model modification p.122-129.

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Presentation on theme: "The General (LISREL) SEM model Ordinal variables p.79-87 Alternative Fit indices p.106-110 Error of Approximation p.110-114 Model modification p.122-129."— Presentation transcript:

1 The General (LISREL) SEM model Ordinal variables p.79-87 Alternative Fit indices p.106-110 Error of Approximation p.110-114 Model modification p.122-129 Ulf H. Olsson Professor of statistics

2 Ulf H. Olsson Alternative test- Testing Close fit

3 Ulf H. Olsson How to Use RMSEA Use the 90% Confidence interval for EA Use The P-value for EA RMSEA as a descriptive Measure RMSEA< 0.05 Good Fit 0.05 < RMSEA < 0.08 Acceptable Fit RMSEA > 0.10 Not Acceptable Fit

4 Ulf H. Olsson Other Fit Indices CN RMR GFI = 1-(Fm/Fn) AGFI= 1 – (k(k+1)/(2df)) (1-GFI) Evaluation of Reliability MI: Modification Indices

5 Ulf H. Olsson Nested Models and parsimony Modification Indices  chi-sq is chi-sq with df=  df Nested Models Re-specification (Modification indices)

6 Ulf H. Olsson RMSEA

7 Ulf H. Olsson RMSEA

8 Ulf H. Olsson Individual exam 25% of the total grade 20 questions A,B,C,D,E E: I choose not to answer Correct: 3 points Wrong: - 1 point

9 Ulf H. Olsson Discussion of the termpaper


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