friedman two way anova

  1. B

    Non-parametric Two-way ANOVA

    Hi Guys, I wanted to run a TWO-way ANOVA but unfortunately, my variables are non-parametric. I have tried transforming the data but that did not work. I was wondering what the next step was? I was thinking of conducting two separate tests, a Friedman's test as a non-parametric alternative to...
  2. C

    Significant Friedman's test but non-significant post-hoc tests

    Hello, I am running a Friedman's test because I want to see if there is any difference in my participants' scores across 4 time-points. My sample is n=51. I ran the test and it revealed a statistically significant difference (p = 0.29). Then I conducted post hoc tests to see where the...
  3. N

    One way ANOVA or two way ANOVA? + non-parametric equivalents

    Hi, I am unsure about the choice of statistical test for my experiment design. I have four experimental groups, devided by two factors: disease (disease/healthy) and genotype (wild-type/knockout). Groups: wild-type & disease, wild-type & healthy, knockout & disease, knockout & healthy. I am...
  4. A

    Statistical test for analyzing 2*3 between-subject design's main & interaction effect

    Hello, I am now having trouble analyzing my data since I got stuck on selecting the proper statistical test to use. My data is a 2*3 between-subject design data. The two IVs are one norminal(with values 0 and 1) and one ordinal(with values 0, 1,2), and my dependent variables are interval...
  5. B

    Appropriate tests to use? ANOVA and Friedman two way ANOVAby ranks?

    Hi there, I am completely stumped on which tests to use for a study that I am working on. Basically, I have two groups, 1 & 2. The two groups are of different size and the samples are small (9 & 12). Participants in both groups have performed the same three tests, A, B & C in the one...