Ertuğrul Şahin

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Questions related from Ertuğrul Şahin

Measurement invariance bifactor model DASS-21?

Does anyone have a Mplus input to test bifactor model of configural, metric, scalar invariance of DASS-21 or other scales? When I tested I reached different degrees of freedom in weak invariance...

02 January 2025 3,586 1 View

Is it possible to add correlated errors between items when we treated Likert type items as categorical?

I am currently performing a confirmatory factor analysis in Mplus. I wonder, Is it posssible to add correlated errors between items (e.g. item 1 to item 3) when we treated likert type items as...

11 August 2017 8,690 3 View

What is the difference between higher order (second order) confirmatory factor analysis and bifactor analysis?

I wonder, I performed a series of confirmatory factor analysis with depression , anxiety and stress scale responses and found that when a added a general stres factor (second order) goodness of...

25 July 2017 5,419 5 View

Ethic question about scale using, Please read and give me your opinion?

About three year ago, we conducted a study examining correlates of emphatic tendency after obtaining permission to use a non commercial scale. Then we conducted a secondary data analysis to this...

24 March 2017 876 3 View