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Thread: Multiple Linear Regression Delta R Squared.

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    Multiple Linear Regression Delta R Squared.




    I am conducting a multiple linear regression looking at the predictors of gender and the traits of the dark triad (Narcissism, Psychopathy, and Machiavellianism) on Global empathy. I want to calculate the ΔR for step 1 and step 2, I know it would be the R2 value of step 1 - the R2 value of step 2, although I'm currently undergoing my dissertation and the study I have based mine off of has two ΔR, one for step 1 and one for step 2 so I am a bit confused.

    One picture is my output from the regression analysis in SPSS, the other is the original study.
    Attached Thumbnails Attached Thumbnails Click image for larger version

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ID:	5913   Click image for larger version

Name:	s.png‎
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ID:	5912  

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