Lettering based on Tukey test

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by Shahid » Sun May 14, 2017 11:43 am

I have just started using jamovi on my MacBook. I have one question in mind.

Does jamovi give lettering (abc...) and value of Tukey's HSD in post-hoc test (Tukey's HSD test)? I am unable to find it. Most of the times we present our results as means followed by lettering (lettering show mean comparisons based on some post-hoc test). So, we need lettering.

Waiting for help.
Shahid
 
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by Ravi » Sun May 14, 2017 10:23 pm

Hi Shahid,

I'm not sure that I completely get what you mean with 'lettering'. Could you elaborate on that?

Cheers
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Ravi
 
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by Shahid » Sat May 20, 2017 6:41 am

If significant based on ANOVA, we run Tukey test to rank means. For example we have four treatments with treatment averages = T1 23 ; T2 25; T3 19; T4 5. After mean ranking by post-hoc test (Tukey test), output might be:
T2 25 A
T1 23 AB
T3 19 B
T4 5 C
The ranking is designated by letters. I am referring to these as lettering. Will it be possible for you to produce results of Tukey test in such a format?
Shahid
 
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by Ravi » Mon May 22, 2017 2:38 pm

We like to keep our main analyses as simple and clean as possible. I think the output most people are looking for here are the Tukey corrected p-values, and adding more results might confuse a lot of people. However, we encourage people to make modules for jamovi so if this is functionality a lot of people want someone (you?) will hopefully come along and start implementing this.
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