Forough Mortazavi

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Questions related from Forough Mortazavi

How to do a repeated measure anova in spss with two unmatched groups?

We conducted an intervention study with three measurements of fear in three time points. Results showed that two groups were not matched for two demographic variables (education level &...

14 January 2019 8,166 3 View

Are yielding good fit indices enough for concluding that a structure for a scale is acceptable? Are factors correlations important?

I run a CFA on a 14-item scale. Although the fit indices are relatively good (RMSEA= 0.066 (CI [0.053, 0.078]), SRMR=0.069, Chi-square/df=2.71, P

25 February 2016 4,549 5 View

Is there any cut off value for Childbirth Attitudes Questionnaire which measure fear of childbirth??

The Childbirth Attitudes Questionnaire was validated in Farsi. it is recommended to use cut off value=28 for identifying fear of childbirth. I could not find any references indicating so. It is...

16 July 2015 7,445 7 View

Is it essential to assess normality of items before doing factor analysis?

My questionnaire composed of 49 items. none of them are normally distributed. Is it correct to do a CFA or EFA with non- normal data?

12 January 2015 9,264 14 View

Does ceiling effect of the items of a questionnaire influence the results of Factor analysis?

The questionnaire I worked on consists of 49 items rating on a 6 point likert scale. I found that most participants chose the highest point of many items. However, the results of CFA are good? Is...

12 January 2015 5,643 8 View