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Types of discrimination indices
1.Positive discrimination index
This is one which the proportion or percentage of correct answers is scored by upper group is higher than the low group
2.Negative discrimination index
This is one in which the proportion is of correct answers is higher in low group than the higher group.
3.No discrimination/Zero discrimination
The proportion or percentage of correct answers are equal in both high group and low group.
Moraa orina answered the question on April 13, 2018 at 17:41
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