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Results tagged with factor-analysis
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user 78767
Factor analysis is a dimensionality reduction latent variable technique which replaces inter-correlating variables with a smaller number of continuous latent variables called factors. The factors are believed to be responsible for the inter-correlations. [For confirmatory factor analysis, please use the tag 'confirmatory-factor'. Also, the term "factor" of factor analysis should not be confused with "factor" as categorical predictor of a regression/ANOVA.]
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How to interpret the model fit of multiple indices in an EFA?
In a multi group exploratory factor analysis (MG-EFA), we have analysed CFI and RMSEA. A decision has been made to use the criteria from Marsch et al (1) of acceptable fit when CFI > 0.90 and RMSEA < …
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Reduction of questionnaire via FA versus control group
We are developing a questionnaire for evaluation of burden of disease after certain medical conditions. The questions are developed partly from semistructured interviews. My statistician argues for us …
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Validating an existing questionnaire into another language
Wakening up an old question I just wanted to add two sources concerning guidelines for translating questionnaires.
The first one would be EORTC's Guidelines$^\dagger$ and the second PROMIS's Guideline …
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