hi, if we establish construct validity of a questionnaire developed by some one else, in the confirmatory factor analysis stage what model fit should be checked for the employed questionnaire?
GFI,CIF,IFI,AGFI,....../? which one ?all of them?
tanx
Hi, Rokhsareh
we used Normad chi-square (x2/df); RMSEA; NFI; NNFI; CFI; GFI and AGFI.
tanx
i was performing confirmatory factor analysis using amos but a warning appear suggesting that modification indice should not be marked in the estimation window? i wonder why it is so. what should i do to get the GFI and AGFI.
All of the indexes you mentioned and also the cronbach's alpha
Article Validación de una escala de percepción de riesgo en jóvenes mexicanos
tanx sara
unfortunately i donot know spanish if u have the english version of your article it would be a great help
Apart from the above indices, some author (Bryne, 2010) advised to check PCLOSE. More this value becomes close to one, it indicates better model fit.
Thanks
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