Mathematics: An independent-measures research study with n = 5 participants in each treatment produces sample variances of 8 and 10, and a 2-point difference between the two treatment means. given this information, what is the value of cohen s d? 2/2 2/3 2/9 2/18

An independent-measures research study with n =

Ответ:

jayme2407

14.03.2022

Cohen's d is given by:

$Cohen's\ d= \frac{mean\ difference}{ \sqrt{ \frac{(n_1-1)s_1^2+(n_2-1)s_2^2}{n_1+n_2-2} } } \\ \\ = \frac{2}{\sqrt{\frac{(5-1)8+(5-1)10}{5+5-2}}} = \frac{2}{ \sqrt{ \frac{32+40}{8} } } = \frac{2}{ \sqrt{9} } \\ \\ =\frac{2}{3}$

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Ответ:

carolinasoto

19.12.2022

Mathematics

All of them are.

Explanation:

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An independent-measures research study with n = 5 participants in each treatment produces sample variances of 8 and 10, and a 2-point difference between the two treatment means. given this information, what is the value of cohen's d? 2/2 2/3 2/9 2/18

Ответ:

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