by jaume.march@udl.cat » Sat Jan 09, 2021 6:00 pm
Hi guys. Thank you very much for the work done developing jamovi.
I have a problem with jamovi, when running a Principal Component Analysis: based on parallel analysis, and without any options enabled in Assumption Checks, Factor Loading or Additional Output. And results show a solution (with about 160 subjects and 36 items) implying 2-components.
But the moment I activate Bartlett's test, the results update, and a 3-component solution appears.
And, if I activate the KMO option, the 2-factor solution reappears.
If I change the activated options and leave without activating any option, the 3-factor solution remains (SIC) and sometimes when activating component summary option, a 4-factor solution appears.
I do not understand the logic of the problem since with the same configuration of options, 2 different solutions appear in some occasions.
I would appreciate any explanation or comment.
The data is not good, it is a validation into Russian of a scale created in English, which generates a CFA that does not meet the requirements for RMSEA, CFI or TLI
It is my first post, I hope to get it right in the forum
Cheers from Catalonia