Test Analysis
Автор: Glen Tox
Загружено: 2020-08-19
Просмотров: 62357
Описание:
Error in this item analysis:
The difficulty Index should have been (PT+PB)/N where N is the total number of examinees in the upper or lower group. A simpler formula would have been (PT+PB)/2n.
Here is the link to example 2 from a google form exam : • Difficulty & Discrimination Index of a Goo...
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