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Equation for repeated measures effect size 10534

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Administrator Sr. Member Posts: 59 Karma: 2 Forum Administrator *****

Dev

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Re: Equation for repeated measures effect size
« Reply #4 on: 17 February, 2011, 05:56:21 AM »
My pleasure. I've just looked at the picture I attached and it's not that clear. It should be:

correlated t-statistic multiplied by Square-root of ((2(1-r))/n).

On a side note: We will be submitting a paper ourselves soon which demonstrates that Hedges' g is a better approximation, under most circumstances, that Dunlap's equation (the one above - which is usually recommended for correlated designs).

Best,
Dev

I am logged on, therefore I am.
Newbie Posts: 2 Karma: 0 *
Re: Equation for repeated measures effect size
« Reply #3 on: 06 January, 2011, 07:29:37 AM »
Thank you so much!

Hi shireen,

You must have an older version of the software as the new version provides the formula when you click the "do it" button. Download the latest version and just overwrite the old version during the install.

The formula is also attached to here ...

Hope this helps in the review process.

Best,

Dev
Administrator Sr. Member Posts: 59 Karma: 2 Forum Administrator *****

Dev

*
Re: Equation for repeated measures effect size
« Reply #2 on: 05 January, 2011, 08:29:33 PM »
Hi shireen,

You must have an older version of the software as the new version provides the formula when you click the "do it" button. Download the latest version and just overwrite the old version during the install.

The formula is also attached to here ...

Hope this helps in the review process.

Best,

Dev

I am logged on, therefore I am.
Newbie Posts: 2 Karma: 0 *
Equation for repeated measures effect size
« Reply #1 on: 05 January, 2011, 01:46:07 PM »
Hello,
A manuscript reviewer has asked for the actual equation used for the within groups estimation of effect size that is provided on the 'extra statistics' tab of the Effect Size Generator. Can someone please provide? Thank you!

 

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