المشاركة الأصلية كتبت بواسطة smr abduallah

Measures of difference :

These summarise the amount of difference between pairs of samples or groups measured, or between scores the same group obtained in different conditions, usually by a figure that is the 'difference between two means', or the 'difference between two percentages' (percentage difference). Again such figures normally run upwards from 0 (= no difference) to any size.

-Measures of relationship

These quantify the amount of relationship between two (or more) variables as measured in the same group of people or whatever. They are usually on a scale 0-1 (in some instances they run from -1 through 0 to +1). I.e.