Title: Handicaps

Source: Dunn-Rankin, Knezek, Wallace, and Zhang (2004) 

Description: Ratings of five persons on the similarity of four
handicaps: Learning Disability (LD), Mental Retardation (MR), Deafness
(D), and Blindness (B).

The rows have following interpretation:

Row	Person	Handicap
1	1	LD
2	1	MR
3	1	D
4	1	B
5	2	LD
6	2	MR
7	2	D
8	2	B
9	3	LD
10	3	MR
11	3	D
12	3	B
13	4	LD
14	4	MR
15	4	D
16	4	B
17	5	LD
18	5	MR
19	5	D
20	5	B