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Thread: Homogeneity of regression slopes

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    Homogeneity of regression slopes




    If assumption of homogeneity of regression slopes broken in ANCOVA analysis, what to do? Can I use linear regression instead? Thanks

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    Re: Homogeneity of regression slopes

    Quote Originally Posted by saraf View Post
    If assumption of homogeneity of regression slopes broken in ANCOVA analysis, what to do? Can I use linear regression instead? Thanks
    A common approach used to your problem is the Johnson-Neyman technique.

    http://wjn.sagepub.com/content/26/7/804.abstract

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    Re: Homogeneity of regression slopes

    Hello Dragan, thank you for your suggestion, I will look at it.

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    Re: Homogeneity of regression slopes


    Hi,
    how can I test the homogeneity of regression slopes? Does Minitab do it automatically in any of its tools?
    Thank you in advance!
    Regards

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