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Thread: [SPSS - Correlation] Correlation between binary variables?

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    [SPSS - Correlation] Correlation between binary variables?




    Hi,

    I have a question about the limitation of a correlation. I'm using SPSS and have a lot of multiple choice questions with multiple answers possible. If a choice is picked, it is coded as a 1, and if not, a 0, making it a binary variable. I'd like to know if some answers are more likely to be picked together. Therefore, I thought to use a correlation. However, I'm not sure I can use a Pearson correlation for that.

    Can we use a correlation for binary variables? Is there another way to test a correlation between two answers?

    Thank you

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    Re: [SPSS - Correlation] Correlation between binary variables?

    http://bfy.tw/BoXH

    HTH

    Karabiner
    »Jetzt kann mich der Führer mal am Arsch lecken.« (Ernst Kuzorra, 1941)

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    Re: [SPSS - Correlation] Correlation between binary variables?


    Cohen's Kappa is quite often used in the water industry.

    Here is a link to a calculator. You should also find a link to its documentation.

    https://www.niwa.co.nz/node/104318/kappa
    The earth is round: P<0.05

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