My study is based on skilled returnee to their home country and there are two types of them , one came home country with the job offered by government and other find job on their own after return to home country. Choice of coming back is ranked on the scale of 1-10 .
question that i need to find answer for my project is that
Do returnee with govt fellow and non fellow differ significantly on choice of reason of returning to home country ?
Should i use Mann-Whitney test or kruskal wallis test?
Thanks
Hi Kanika,
The Mann Whitney U test is used to examine the difference between the two groups, while the Kruskal Wallis H test is used to examine the difference between more than two groups. So the selection of the Mann Whitney U test is correct.
Examine the distribution of the groups for the relevant dependent variable.
Nonparametric tests have less power than parametric tests.
Best, İbrahim.
I would note that if the data are already in the form of ranks there is no reason to use a nonparametric test with a rank transformation (such as the two you suggested). These are more-or-less equivalent to running parametric tests apart from the rank transformation - so if the data are already ranks you can just use a standard parametric analysis.
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