Analyzing the Test
Download as PPTX, PDF0 likes118 views
This document provides information about index ranges and the difficulty and discrimination levels they correspond to. Index ranges from 0.00 to 0.20 indicate a test question is very difficult, while ranges from 0.81 to 1.00 mean a question is very easy. Discrimination levels below 0.19 suggest an item should be eliminated, and levels at or above 0.40 mean an item is very good.
1 of 10
Download to read offline
More Related Content
Viewers also liked (12)
Ad
Recently uploaded (20)
Ad
Analyzing the Test
- 6. Index Range Difficulty Level 0.00 – 0.20 Very Difficult 0. 21 – 0.40 Difficult 0.41 – 0.60 Average/Moderately Difficult 0.61 – 0.80 Easy 0.81 – 1.00 Very Easy
- 9. Index Range Discrimination Level 0.19 and below Poor item, should be eliminated or to be revised 0.20 – 0.29 Marginal item, needs some revision 0.30 – 0.39 Reasonably good item but possibly for improvement 0.40 and above Very good item