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Questions related from Pablo D Valencia
Bifactor models allow users to model both a general factor and several specific (or group) factors. The focus is usually on the general factor, which is what the measure was designed for in the...
08 August 2019 697 3 View
I usually perform exploratory factor analysis in Lorenzo-Seva and Ferrando's software FACTOR. However, I have felt recently attracted to the powerful psych package in R. The problem is that when I...
11 November 2017 1,184 1 View
I'm working on a Spanish version of the 10-item RRS. However, an informal review of published results suggests that the proposed brooding-reflection model shows suboptimal fit. Does anybody have...
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I am testing measurement invariance of a questionnaire. I am aware of the fact that some methodologists think it unnecessary to test for invariance of residual variances and covariances. However,...
08 August 2017 3,664 6 View
Many authors have pointed out the problems that arise from using coefficient alpha when assumptions are violated. Coefficient omega is perhaps the most popular alternative; however, as far as I...
07 July 2017 3,065 1 View
There is an increase in the use of bifactor modeling to test for general factors in multidimensional scales. However, its use seems to make sense only when there are high correlations between...
05 May 2017 8,293 2 View
Researchers often examine univariate skewness and kurtosis of items prior to conducting factor analysis. Likert-type variables, however, are ordinal in nature and thus these statistics don't seem...
04 April 2017 818 7 View
