Discrepancy in Results Between Previous and Current Analyses

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ahmad

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Sep 4, 2026, 7:33:10 AMSep 4
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Hello,
I initially analysed the data several months ago and have recently repeated the analysis using the same dataset and models. However, I noticed notable discrepancies between the two analyses in terms of the model fit indices and parameter estimates, despite the sample size and degrees of freedom remaining identical. I was wondering whether these differences in the results could be attributable to the different versions of the `lavaan` package used for the analyses.

Thank you!
Best,
A

Terrence Jorgensen

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Nov 13, 2026, 8:28:32 AM (2 days ago) Nov 13
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You'll have to do the work to show us with a reprex.  You can find archived older versions of lavaan on CRAN.  Installing one version at a time (going backward in time) can help you discover the version change that led to different results.  Then you can read the version history to see if there are any clues. 

Terrence D. Jorgensen
Assistant Professor, Methods and Statistics
Research Institute for Child Development and Education, the University of Amsterdam

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