JASP 0.13.1 Tutorial: Exploratory Factor Analysis (EFA) (Episode 20)

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In this JASP tutorial, I go through an Exploratory Factor Analysis (EFA). I use early preliminary data to explore features including Rotation, Factor loadings, Eigenvalues, and how to read the tables in the results.

NOTE: This tutorial uses the new preview/beta build of 0.13.1. This build contains slightly more functions/features than the previous builds used for tutorials on this channel, but it is functionally the same for the purposes of this tutorial.

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Thank you for all your JASP tutorials! I'm using JASP for my bachelor thesis in legal psychology as an affordable alternative to SPSS and wouldn't have been able to learn it that quickly without your videos (and time is of the essence). So your efforts are very much appreciated.

Tanjura
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Good, it works for me. If the original dataset is available to reproduce outputs, please let us know.

gulnara
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Thank you for the tutorial. Is there a tutorial that explains Regularized Exploratory Factor Analysis (REFA)? Thank You.

ricekul
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Thank you for your videos Alexander! Could you please make a tutorial about how to perform Confirmatory Factor Analysis in JASP using a grouping variable, for example Gender as a grouping variable. Thank you!

anyidxt
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Great sir 👍 am waiting for this
Thanks

Bioexploration
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thanks! where is the "explained variance"?

icarocosta
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Hey there! Thank you so much - this was very helpful!
Could you explain to me how to calculate a item-total-correlation in JASP?

MissSqueezi
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good day, alexander, and thank you for the tutorial! if i'm allowed to ask a question, i have one question. if i test my data from multidimensional inventory with EFA, should i test the data's reliability per its dimension or with the factor from the EFA result? thank you in advances!

daypetal
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hi, i need major help with how to examine the dimensionality of the data (bear in mind that although the intention was to develop two scales, it is possible that the 30 items measure more than two major traits or dimensions) how do i do this

blessing_motene
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Hi, and thank you for the informative video. I was wondering what the scores under "cumulative" under "factor characteristics" tells us? If I understood it correctly the proportion var. tells us how much of the modell is explained by the factors. But I am not sure about the cumulative. Anyway, thank you for the video

viktoria
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what to do if the variables are originally nominal?? and it cant be changed into scale :(

ivynn
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Great Teaching, !.. ❤️May I ask...Does Uniqueness in Factors matter???.. I've seen your uniqueness values abOve 0.4... Do I have to remove all the questions that Have below 0.4 value in the Uniqueness as I do The Exploratory Factor Analysis???.. Thank you💙

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