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  1. U

    Is it possible or meaningful to run an ANOVA on only two groups?

    Hi, we have been given a bunch of homework questions and i can't seem to work this one out. "Is it possible or meaningful to run an ANOVA on only two groups?" I've tried to google it numerous times but nothing good that is directly targeted against this pops up. I understand that some...
  2. U

    Correction for attenuation: WAIS-IV and test X

    Hi, I have been asked to do a correction for attenuation of the context between a specific test (Lets call it test X) and a specific part-test of WAIS-IV (word understanding, lets call it test Y). The reliability for WAIS-IV word understanding (test Y) is r = 0,85 and we assume that the...