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  • 1.  Help! UNIANOVA Cannot compute Term using Satterthwait's method

    Posted 03/29/21 05:39 PM
    Hello Everybody,

    I have created a mixed ANOVA with two fixed factors and two random factors.
    In the Output table of tests of between-Subjects Effects it fails to show the results for one of the fixed factors claiming:
    "b.Cannot compute the appropriate error term using Satterthwaite's method." for the mean square values and just leaving the F, Sig. and Eta-Squared values empty.
    Has anybody encountered this problem or have any idea how to fix it?
    Thank you very much in advance for any help
    Best Regards

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    Anthony Bennett
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    #SPSSStatistics


  • 2.  RE: Help! UNIANOVA Cannot compute Term using Satterthwait's method

    Posted 03/29/21 09:15 PM
    You haven't provided details about what you are doing, but if you search in the Algorithms manual for Satterthwaite, you will find some conditions that must be met to use that approximation.

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    Jon Peck
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