Reliability, Validity, Assessment, Education

1. DR ATHAR KHAN

2. MBBS, MPH, DPH, MCPS, MBA, DCPS-HPE, PGD-
Statistics, CCRP
matharm@yahoo.com
Liaquat College of Medicine & Dentistry
Karachi

13. DIFFICULTY INDEX
< 0.3 Too Difficult
0.3 to 0.8 Moderate
> 0.8 Too Easy

24. DISCRIMINATION INDEX
< 0 Negative Discrimination
0 to 0.19 Low Discrimination
0.20 to 0.40 Medium Discrimination
>0.40 High Discrimination

28. DIFFICULTY & DISCRIMINATION INDICES
Q.NO
DIFFICULTY
INDICES
DISCRIMINATION
INDICES
1 0.39 0.48
2 0.59 0.6
3 0.68 0.2
4 0.57 0.12
5 0.26 0.12
6 0.48 0.32
7 0.53 0.44
8 0.27 0.2
9 0.23 0.28
10 0.53 0.36
11 0.7 0.16
12 0.8 0.2
13 0.9 0.28
14 0.85 0.32
15 0.17 -0.12
16 0.31 0.2
17 0.31 0.24
18 0.22 0.08
19 0.72 0.16
20 0.6 0.12
21 0.36 0.16
22 0.23 -0.12
23 0.75 0.32
24 0.91 0.2
25 0.58 -0.16
26 0.61 -0.16
27 0.64 0.08
28 0.53 0.04
29 0.27 0.2
30 0.25 0.36