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Is my difference significant?
In a previous post we tried to explain how I should choose the sample size in order to ensure that the obtained result is within a controlled margin of error. Today we are going to deal with a ...
One of our web’s most visited sections is the SAMPLE CALCULATOR. Thanks to this application, you can get an estimation of the sample size you need for your survey just providing basic data about the ...
The Likert scale is known to be one of the most popular and used items in surveys. In contrast to dichotomous questions with yes/no answers, the Likert scale allow us to measure attitudesand to know ...
