Recent content by szidel

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    EFA: Factor Correlation Matrix Interpretation

    Hello, I recently ponder about the way to interpret the factor correlation matrix in an EFA (e.g. delivered in SPSS output). I realized that, despite the factor correlation matrix showing a negative correlation between two factors, these two factors may be positively related when I just...
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    How to use higher-order scale?

    Hello, I am currently working on the development and validation of a new scale. The process went well so far, and I ended up with a higher order solution (4 subscales/factors on the first level, of which 2 load on a common second-order factor). Since the two first-order factors, which share a...
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    Reporting Beta + unstandardized CIs?

    Hello, I did a multiple regression analysis and for now always only reported the standardized effect sized (Beta). Since I heard that it would be good practice to also include the CIs, I wonder how this is done in practice - should I just present the standardized effect size next to the...
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    Unequal sample size among sub-groups: Effects on significance levels?

    Hello, I just came across a finding which I find somewhat strange: I conducted a quite simple multiple regression analysis in a dataset that consists out of three groups (n=90, n=120, n=650, respectively). When I just run the analysis over the whole dataset with SPSS, I get a significant...