Effect Size Calculator

Enter first set of data separated by comma :
Enter second set of data separated by comma :

First data set Mean(Average)(M1) :
Second data set Mean(Average)(M2) :
First data set Standard Deviation(SD1) :
First data set Standard Deviation(SD2) :
Cohen’s d:
Effect Size(r):

 

Effect Size Calculator is a free online tool that displays the effect size for the given two different sets of data values. BYJU’S online effect size calculator tool makes the calculation faster and it displays the output in a fraction of seconds.

How to Use the Effect Size Calculator?

The procedure to use the effect size calculator is as follows:

Step 1: Enter the two different sets of data values separated by a comma in the respective input field

Step 2: Now click the button “Calculate” to get the effect size

Step 3: Finally, the mean, standard deviation, and the effect size of the two different data values will be displayed in the output field

What is Meant by Effect Size?

In Statistics, the effect size is an important concept that determines the strength of the relationship between the two different variables on the given data set values. While performing hypothesis testing, sample size, effect size, significance level are closely related to each other. Cohen’s recommended that if d value is equal to 0.2, then it is considered as small effect size, 0.5 represents the medium effect size and 0.8 represents the large effect size. It indicates that the mean of two different groups does not differ by a standard deviation of 0.2 or more than that.

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