"Re Question 1: One thought is finding the exact p value for the U or Kruskal-Wallis values and then converting them to a regular t or F and converting that statistic to the SMD (Cohen's d).
Re Question 2: I doubt you get very different results…"
Hi everyone,I just wonder how to convert Mann Whitney U and Kruskal Wallis values into Cohen's d. Any formulas or references you may recommend?A second question: Is there a way to merge (combine) 2+ subgroup into one group? e.g.Variabels : Single/Married/divorced...Each has mean+std dev+nCan I merge single+divorced to get one group ?Let's say GROUP-1 [SINGLE+divorced] and GROUP-2 [MARRIED]Sample:Variable n X ssingle 124 1,54 0,63divorced 65 1,24 …See More
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