Meta-Analysis Resources

Tools for Those Who Summarize the Evidence Base

Resources and networking for those who conduct or interpret meta-analyses related to any phenomenon that is gauged in multiple studies.

Ali KIŞ
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  • Malatya
  • Turkey
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Ali KIŞ replied to Ali KIŞ's discussion Mann Whitney U and Kruskal Wallis values into Cohen's d AND merging multiple outcomes in the group Calculating Effect Sizes and Their Variances
"Mr. Johnson Thank you so much for your assistance."
Apr 11, 2014
Blair T. Johnson replied to Ali KIŞ's discussion Mann Whitney U and Kruskal Wallis values into Cohen's d AND merging multiple outcomes in the group Calculating Effect Sizes and Their Variances
"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…"
Apr 10, 2014
Ali KIŞ added a discussion to the group Calculating Effect Sizes and Their Variances
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Mann Whitney U and Kruskal Wallis values into Cohen's d AND merging multiple outcomes

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
Apr 4, 2014
Ali KIŞ updated their profile
Apr 4, 2014
Ali KIŞ joined Blair T. Johnson's group
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Calculating Effect Sizes and Their Variances

Tips and techniques to help meta-analysts calculate effect sizes and the variances that are needed for the purpose of analysis.See More
Mar 31, 2014
Ali KIŞ is now a member of Meta-Analysis Resources
Mar 27, 2014

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